A boxer moves into the punch so as to decrease the duration of impact by half,by how much will the force of impact be increased? A. increased by 4 times B. increased by 2 times C. increased by 3 times D. increased by 2.5 times

Q: on an unknown planet, a 145 g baseball is hit so that it travels straight upward to reach a maximum…

A:

Q: 1. A hockey puck slides along the ice when it collides with a filled water bottle which was sitting…

A: Hockey puck (m)= 0.2kg  u1= 5i - 6j m/s  u2= -5cos36.87° i - 5 sin 36.87° j      = -4i -3j m/s  M=…

Q: 144. A 2,400-kilogram car is traveling at a speed of 20. meters per second. Compared to the…

A:

Q: Help Sa A cue stick hits a cue ball with an average force of 34.0 N for a duration of 0.0280 s. If…

A: Part (1): Given: The average force on the cue ball is 34 N. The time inteval is 0.028 s. The mass of…

Q: 3. A 200.0 g model rocket is observed to rise 100.0 m above the ground after launch. What must have…

A:

Q: 14 12 10 10 Displacement m) A 6.00 kg mass is acted on by a net force shown in the graph above. a)…

A:

Q: A baseball approaches home plate at a speed of 45.0 m/s, moving horizontally just before being hit…

A: Using Newton’s second law, the force exerted by the bat on the ball can be given by

Q: 2. A nonzero net force acts on an object. Which of the following quantities could be constant?…

A: When a nonzero force acts on body, the body gets an acceleration. When a body has acceleration this…

Q: 9. A 100 kg-motorcycle at rest starts to move from point A with a constant acceleration. At that…

A: According to kinematics  S=ut+(1/2)at2 u=Initial speed t=time S= distance travelled a=constant…

Q: A steel ball is dropped onto a hard floor from a height of 1.50 m and rebounds to a height of 1.45…

A: Given:- Dropping Height= 1.50 m Rebound height= 1.45 m The velocity before hitting the earth= vb The…

Q: 3. Two rocks of masses 5kg and 10kg are dropped off a cliff at the same time. (a) Which rock will…

A: (given) Two rocks of masses are m1=5kgm2=10 kg (a) Two rocks both meet the ground at the same time.…

Q: 2. A block of mass M1 slides along a frictionless table to the right with a speed of v1. A second…

A:

Q: A glider strikes a 0.075-kg block so that its velocity changes by +35 m/s in 0.070 s. With what…

A: Correct option is (B) i e  average force is 37.5 N .

Q: Two students stand face-to-face, then push each other away. One student has a mass of 90.0kg; the…

A: Given, m1= 90kg m2= 60kg Initial velocities of both objects are 0. Final velocity of m1 is v1. Final…

Q: When a 0.058 kg baseball is hit by a bat, it accelerates to a speed of 45 m/s coming from rest. The…

A:

Q: object has an initial velocity of 5 m/s East then speeds up to 25 m/s East in 4 seconds. What is the…

A: Given u = 5 m/s v = 25 m/s t = 4 sec

Q: In a collision an automobile of mass 1200 kg stops with constant acceleration in 2 m from an initial…

A: Given  m = 1200 kg Initial velocity (vi) = 22 m/s Final velocity (vf) = 0 We have to find…

Q: A 14.4-g wad of sticky clay is hurled horizontally at a 71-g wooden block initially at rest on a…

A:

Q: 5. The figure shows three balls of clay moving on a frictionless horizontal surface just before a…

A:

Q: (3.) A batter hits a 1.50 kg-ball that is coming towards him from the pitcher at 20.0 m/s straight…

A:

Q: Q15. An astronaut is floating in space near her shuttle when she realizes that the cord that is…

A: total mass = 91 kgmass of metal tool = 1 kgvelocity with which the metal tool is thrown = -9…

Q: An 80-Mg railroad engine A coasting at 6.5 km/h strikes a 20-Mg flatcar C carrying a 30-Mg load B…

A: (a) Consider the impact between the railroad engine A and the flat car C. The conservation of…

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: Puig stepped up to the plate and hit a 0.150 kg fastball traveling at 36.0 m/s. The impact with the…

A: Mass of ball: m = 0.150 Kg Initial speed of ball: u = 36.0 m/s Final speed of ball: v = -45.0 m/s…

Q: Human reaction time is usually about 0.20 s. If your lab partner holds a ruler between your finger…

A:

Q: 8) During a collision with a wall, the velocity of a 0.200-kg ball changes from 20.0 m/s toward the…

A: The net force applied to an object is the product of the mass and the acceleration of the object. If…

Q: 1. A paintball with a mass of 0.15 kg is fired from a paintball gun that has a mass of 5.5 kg. The…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 2. The figure shows three blocks attached by cords that loop over frictionless pulleys. Block B…

A:

Q: vehicle collision produced -1250 N net force. What is the acceleration of a 55.0kg passenger in the…

A:

Q: 3) A golf club exerts an average horizontal force of 1000 N on a 0.045-kg golf ball that is…

A:

Q: How long was the golf club in contact with the ball?

A:

Q: A 6-g bullet is shot into a 2.1-kg block of wood, where it becomes embedded.  The block is initially…

A: Given, Mass of bullet, Mass of wood block, Initial velocity of bullet, Initial velocity of block,…

Q: A stalactite in a cave has drops of waterfalling from it to the cave floor below. The drops are…

A:

Q: A 14.4-g wad of sticky clay is hurled horizontally at a 71-g wooden block initially at rest on a…

A:

Q: You can perform a popular trick by dropping any peso bill (Ex. 500 peso bill )lengthwise through the…

A: Motion perpendicular are independent of each other. Motion can be uniform or accelerated. Motion is…

Q: 1. A golfer strikes a 0.058-kg golf ball initially at rest with a force of 272 N and gives a…

A: Hi, you have submitted multiple questions and it is not specified in which problem you need help.…

Q: 1. A 2.50-kilogram mud ball drops from rest at a height of 13.0 m. If the impact between the ball…

A: Force is defined as the rate of change of momentum. To solve the question we need to know the…

Q: A 81.1 kg blue bumper car and rider are traveling at 8.1 m/s. They rear end a red bumper car of mass…

A: Mass of the blue car, mb = 81.1 kgMass of the red car, mr = 71.3 kgInitial velocity of blue car, ub…

Q: A curling stone travelling at 5.0 m/s collides with a stationary stone of the same mass. Following…

A:

Q: An object has an initial velocity of 5 m/s East then speeds up to 25 m/s East in 4 seconds. What is…

A:

Q: A baseball player hits a bunt during which the bat is in contact with the ball for 0.0005 s. If the…

A: Given data:  Time (t) = 0.0005 s Force (F) = 3,000 N Mass (m) = 0.15 kg Required: The change in the…

Q: A 0.450 kg hammer is moving horizontally at 8.00 m/s when it strikes a nail and comes to rest after…

A:

Q: 2. A glass beer mug has a mass of 1.3 kg when empty. You fill the glass with 0.7 kg of beer and…

A:

Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”