Q.3: True or False: "The action and reaction forces are always equal in magnitude, apposite in direction and act on the same body". A. True B. False
Q: 4. A force of 9.0 N exerted by a rope pulls a block with a mass of 4.5 kg. The block is resting on a…
A:
Q: 7. Which of the following statement is true about any stationary object or object moving at constant…
A: For equilibrium of an object net force as well as net torque acting on the system must be zero.
Q: How much force is needed to make a rocket move in constant velocity in a frictionless outer space?…
A: If a rocket moves with constant velocity, its acceleration will be zero.
Q: 6. Balanced forces acting on an object O never change the object's motion. O are not related to…
A:
Q: Q.3: True or False: "The action and reaction forces are always equal in magnitude, apposite in…
A: From the Newton's third law it is known that, when two bodies interact then they apply equal and…
Q: A car moving with a velocity of 20m/s in the north direction, is acted upon by a pair of balanced…
A:
Q: A rocket of mass 4.98 × 105 kg is in flight near earth's surface. Its thrust is directed at an angle…
A:
Q: 125 kg rocket has an engine that generates a steady vertical force of 1720 N. A 15.5- N electrical…
A: Given values:- Mass of the rocket,(m)=125 kg ----(1) Vertical force,(F)=1720 N ----(2) Electrical…
Q: -kg Dail rebounds upward, reaching between Dail and ground lasted 2.4 ms, what average force was…
A:
Q: The only external force acting on the system is: • ↑ m2 m1 Ay
A: Forces acting on the system is gravity and tension. Tension is the internal force.
Q: What net external force is exerted on a 1500-kg artillery shell fired from a battleship if the shell…
A:
Q: tension force on the box gravitational force on the box E
A: Given: The mass of the box is 4 kg. The acceleration due to gravity is 10 m/s2. The speed of the…
Q: 5. A 3.00-kg object is moving in a plane, with its x and y coordinates given by x = 5t2 -1 and y =…
A:
Q: True or False: "The action and reaction forces are equal in magnitude, opposite in direction and act…
A: The Newton's third law of motion states that : "When two objects are having a force interaction…
Q: A 1540-kg car is traveling with a speed of 12.4 m/s. What is the magnitude of the horizontal net…
A:
Q: 3. A barge is pulled by two tugboats. To move the barge along in the water properly, the tugboat…
A: F = 5000 lb Use Lami's theorem Let the tension in A is T and in B is T'. T sin(90+ 45)=T' sin(90+…
Q: What causes the boat in Fig. 4–41 to move forward?(a) The force the man exerts on the paddle.(b) The…
A: To move forward, the boat must have acceleration in the forward direction. The boat gets…
Q: Q. How is this an example of Newton's Third law? O Only the ball is using the head O Only the head…
A:
Q: 46. Which of the following pairs of forces is an action-reaction pair? A. The force a ladder leaning…
A: Recall For action-reaction force pair, The FBD of ladder,wall and floor have been shown.
Q: A fire hose ejects water at the rate of 60kg of water per second at a velocity of 40 m/a. With what…
A: From Newton's second law of motion, F=dpdt =mvf-mvi∆t…
Q: A 1000 Kg car goes from 10 Km/h east to 250 Km/h west in 10 seconds, the force experienced by the…
A:
Q: ) Listen A horizontal force of 73.0 N accelerates a 5.40 kg mass, from rest, at a rate of 1.00 m/s2…
A:
Q: A toy rocket rises up in the air due to the force generated by the water. Given the…
A:
Q: According to Newton's third law of motion, forces always occur in pairs called action-reaction…
A: According to Newton third law of motion every action has a equal and opposite reaction . If an…
Q: 13. For how long a time must a tow truck pull with a force of 550 N on a stalled 1200 kg car to give…
A: Given: The mass of the car is 1200 kg. The force on the stalled car is 550 N. The velocity to be…
Q: ssignment Score: Give Up? 0% Resources O Hint Check Answer uestion 2 of 8 Am = 1.85 kg object hangs…
A:
Q: At an instant when a soccer ball is in contact with the foot of a player kicking it, the horizontal…
A: Answer Given Mass of the ball m = 0.40 kg X component of the ball's acceleration ax = 885 m/s2 Y…
Q: Q5 A force of 12 N pulls a block of mass 3.5 kg through a rope of mass 0.5 kg . The block is resting…
A:
Q: 1. An egg is free-falling from a nest in a tree. Neglect air resistance. Draw a diagram of the…
A: Given , Egg falling from a nest in a tree No air resistance Let mass of egg is m
Q: 2 SA bullet with a mass of 0.3 kg is thrown upwards in the vertical direction with an initial…
A:
Q: 1.) A car that weighs 4000 Ibs. (1814 kg), crashes into a wall. What is the impulsive force (F) if…
A: Please note : As per answering guidelines I can answer the first question only. Since, this is not a…
Q: 1. An object of mass M is attached to another object of mass m by a massless string. Mass M slides…
A:
Q: Determine Q and the angle ¹0.
A:
Q: A 89.0 kg person is being pulled away from a burning building as shown in the figure below. 10° (a)…
A:
Q: Do you need to continue applying force on an object to keep it moving? Explain why.
A: Need to continue applying force on an object to keep it moving
Q: 2) A pack of five Arctic wolves are exerting five different forces upon the carcass of a 391-kg dead…
A:
Q: An airplane has a mass of 3.39 × 104 kg and takes off under the influence of a constant net force of…
A: Given that mass of the airplane and constant net force and also given the mass of the pilot. Then We…
Q: Which of the following statements does not describe force? A simple push or pull. An external…
A: As per bartleby guidelines, i have solved first question out of multiple questions posted . If you…
Q: According to Newton’s Second Law of motion A. for every action force there is an equal &…
A:
Q: A newborn baby is placed on a scale and found to have a mass of 3.6 kg. What is the normal force…
A:
Q: 12. According to Newtons third law: The action force is equal in magnitude to the reactionforce and…
A:
Q: Two forces F=30N and F,=10N act on a 4kg mass as in figure. The magnitude of acCceleration of the…
A:
Q: 2. Is a force always necessary to make an object initially at rest start moving? A. Yes B. No C. It…
A:
Q: Question 6. Two blocks are in contact on a frictionless table. A horizontal force is applied to a…
A: It is given that, m1=2.3 kgm2=1.2 kgF=3.2 N
Step by step
Solved in 2 steps
- Viy=? 30 Va-326m/s A rocket is fired at an angle of 30° above the horizontal. If the x-component of its initial velocity is vix (Take g = 10 m/s?). 326 m/s, what is the y-component of its initial velocity ? ( Viy =?) (A) 188.2 m/s (B) 376.4 m/s (C) 330 m/s (D) 250 m/s (E) 163 m/s O B4. A ball travels horizontally off a table 1.0 meters above the ground with a velocity of 1.51 m/s. If the ball is to travel through the center of a hoop which is placed 0.20 meters above the ground, then how far (xf) from the base of the table should the center of the hoop be placed? (Hint: use the Projectile Motion Equations). V. i,ball m =1.51- S hable=1.0 m hoop -0.20 m X₁ = ?1106. A projectile is fired with an initial velocity of v. ft per sec upward at an angle of 0° with the horizontal. Find the horizontal distance covered before the projectile returns to its original level. Also determine the maximum height attained by the projectile. v.? sin 2 0 ;h v. sin? 6 2 g Ans. I = %3D 1107 The oon ah
- H.W from this figuer V=49 mbec 9-53 Find 0 the position and magnitude and the Uelacily of the projectile after 2Sec 9 the finme wwhich make this projectile have the max hight- the Range. JoJa SWATWA3. A baseball player throws a 145g ball toward home-plate from the out-field. The throw was made at 30.0m/s, 30.0° above horizontal [South]. If the baseball player releases the ball 2.45m above the ground; a. Determine the velocity (speed and direction) at the moment the ball strikes the 'turf (ground). b. Determine the time at which the ball possessed a minimal amount of kinetic c. Determine minimum level of kinetic energy for the ball throughout its flight. | energy.9:32 O 1 o0 24 A railgun is capable of shooting a projectile at speeds of about 3 000 m/s. A certain scientific railgun used for railgun research is aimed at an angle of 30° from the horizontal. After some time, the projectile hits the ground. The railgun is planted on the ground, so assume that xo = 0 and yo = 0. a. Calculate Vor and voy. b. Calculate the range of the projectile c. From your results in (a) and (b), use the equation for x(t) to calculate the total air time of the projectile. d. From your results in (a) and (c), calculate v̟(t) and v,(t) as it hits the ground. e. From your results in (d), calculate the magnitude of the velocity v of the projectile as it hits the ground. f. From your results in (a) and (d) and using the time-independent equation discussed in Worksheet 9, calculate the maximum height of the projectile. ||
- A TI Yo Ac As Inv Eva Knc need to: 1. Ignore air resistance when answering all parts of this question. a. A golf ball is hit at 60.0° to the horizontal with an initial velocity of 1.50 x 102 ms¹. It lands at the same height from which it is hit. i. Show that the initial vertical velocity of the ball is 1.30 x 102ms¯ (1) 1/2 ii. Find the time of flight of the golf ball. iii. Calculate the range of the ball. KA1 (1) KA2 (3) KA2 (2) b. A baseball is hit at the same angle and initial speed as the golf ball in part a. However, its initial height is 1.3m above the ground. Explain why the baseball will travel further than the golf ball from part a.09:49 1 A O NI 19 l ll 54% A rugby ball is kicked at an angle trom a honzontal ground and returns to the ground level. If the horizontal range of the ball is 180.00 m, and the horizontal component of the ball's velocity at any instant is 25.00 mis, calculate what the initial vertical component of the ball would be. OA9.81 mis OR. 20.00 m's O.35.32 m/s OD.25.00 mis OE 30.00 m/s II3. A projectile is launched at an elevated target with an initial velocity of of vo = 200 m/s in a direction making an angle of 30 degrees from the horizontal. Vo=200 m/s 500 m 30 R a. Determine the time of flight from A to B. b. Determine the range R. c. Determine the impact velocity at the target.
- 7. A projectile is fired horizontally at 9 m/s from a 7.2 m high wall. a. Find its speed when it reaches the ground. b. At what angle does it hit the ground?While standing on the roof of a building, a child tosses a tennis ball with an initial speed of 16 m/s at an angle of 25° below the horizontal. The ball lands on the ground 3.5 s later. How tall, in meters, is the building? m DETAILS OSCOLPHYS2016 3.4.WA.047. MY NOTES ASK YOUR TEACHER A soccer ball, kicked from ground level at an angle of 73.0° above horizontal, is in the air for 4.40 s. What was its initial speed, in m/s, just after it was kicked? Ignore air resistance. m/s2. A pool ball rolls off a flat table with a speed of 8m/s. The ball lands 3m from the base of the table. How tall is the table? Ax Vi Vf a At X y