Impulse and Momentum A bullet of weight 25g is fired into a body of weight 8kg, which is suspended by a string 0.80m long. Due to this impact, the body swings through an angle of 35°. Find the velocity of the bullet before impact. Assume that the bullet is imbedded on the body.

Q: A 60 kg skater begins a spin with an angular speed of 6.0 rad/s. By changing the position of her arm...

A: Given, mass of the skater, m = 60 kg angular speed of the skater, ωo = 6.0 rads moment of inertia of...

Q: A block of mass 0.85 kg and density 600 kg/m3 is forced under the surface of the water by means of a...

A:

Q: 5. A number of resistors are connected across points A and B as shown in the figure. What is the equ...

A:

Q: The earth's radius is 6.37×106m6.37×106m; it rotates once every 24 hours. What is the speed of a po...

A:

Q: Given the location of Springfield, IL is 40N and 90W, answer the following questions.  You must exp...

A: Force=40N Power=90w

Q: Two circular metal plates with 15 cm radius are connected to either side of a 75 V battery. The plat...

A: Radius of plates (R)= 0.15 m So, area of plates (A)= πR² = π(0.15)² A= 0.07 m² Separation of plates ...

Q: Suppose that a copper sphere of radius 3 cm is beaten and drawn into a wire of diameter 0.2 cm. What...

A: When copper sphere is beaten and drawn into coper wire  It's mass and density will be equal  We know...

Q: A rope is used to pull a 3.98 kg block at constant speed 6.99 m along a horizontal floor. The force ...

A:

Q: Consider a cosmic ray colliding with a nucleus in the Earth's upper atmosphere that p velocity v = 0...

A: We know that the distance traveled by the muon is given as  S = γv∆t ------ eq 1  here We know that ...

Q: -0 = r h In the figure above, a block slides along a track from one level to a higher level after pa...

A:

Q: 1. Assume that you are riding a bicycle. An applied force of 701 N downward is applied as you push o...

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

Q: Two swimmers relax close together on air mattresses in a pool. One swimmer’s mass is 48 kg, and the ...

A:

Q: An object located 10.3 cm in front of a convex spherical mirror produces a virtual image at a positi...

A: Given data: Object distance u = 10.3 cm Image distance v = 1.3 cm

Q: The following are statements that describe Electric Potential EXCEPT: A potential energy per unit ch...

A:

Q: Given vectors: A(7,4,2), B(0,3,5) and C(8,2,2) forms a triangle. Find the unit vector in the plane o...

A: A(7,4,2),B(0,3,5),C(8,2,2) forms a triangle.  

Q: 4.A rectangular glass box, with n= 1.5, has a beam of light hit it from the air above at an angle of...

A:

Q: Consider twenty-seven identical spherical raindrops each of potential V relative to infinity. The ra...

A: Given, 27 samll raindrop each having potential V Coalesce to form one big spherical raindrop.    

Q: A 2.0 kg hoop rolls without slipping on a horizontal surface so that its center proceeds to the righ...

A:

Q: 1.A proton enters a magnetic field of flux density 1.5 Wb/m² with a velocity of 2.0 x 107 m/s at an ...

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

Q: When a 12 V battery is connected across an unknown resistor, there is a current of 2.5 mA in the cir...

A: Given, Voltage=12v Current=2.5mA We have to find the resistance of the resistor.

Q: Nobel laureate Richard Feynman (1918-1988) once said that if two persons stood at arm's length from ...

A: Solution

Q: a grindstone of radius 4.0 m is initially spinning with an angular speed of 8.0 rad/s. The angular s...

A: The equations of angular motion we use to solve this are ωf = ωi+αt ωf2-ωi2 = 2αθ, where ωf = the fi...

Q: 5. The x-location and y-location of a particle are described by the following equations, where x and...

A: The x position of the particle is given by x=4e-t and the y position of the particle is given by y=2...

Q: 3. State both the sign and magnitude of the charge on a proton, an electron, and a neutron in terms ...

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

Q: A 65 kg mountain climber climbs through a vertical rope at a constant acceleration from rest to a sp...

A: Write the given values with the suitable variables. m=65 kgu=0 m/sv=1.25 m/st=10 s Here, m, u, v, an...

Q: (a) What is the minimum force of friction required to hold the system of the figure below in equilib...

A:

Q: In a "Giant Swing" shown in figure, the seat is connected to two cables. One is from the top of the ...

A: Here we have to calculate T2 ,for this we will equalise horizontal forces

Q: A 2.50 kg block is pushed against a spring with negligible mass and force constant of 450 N/m, compr...

A: mass of block m = 2.50 kg force constant k = 450 N/m compression of spring x = 0.230 m value of angl...

Q: Problem 4: A skateboarder is attempting to make a circular arc of radius r = 11 m in a parking lot. ...

A:

Q: When viewed through a magnifying glass, a stamp that is 2 cm wide appears upright and 6 cm wide. Wha...

A: We have a stamp that is viewed through a magnifying glass. The original width of the stamp ho=2 cm a...

Q: A parallel plate capacitor has square plates of side 5 cm and separated by a distance of 1 mm. (a) C...

A:

Q: On the KuyaWill temperature scale, the freezing point of water is -33°KW and the boiling point in 11...

A:

Q: You observe a grasshopper eating a blade of grass. You know that each blade of grass contains 100 un...

A:

Q: Compare the initial potential energy of the spring to the maximum gravitational potential energy of ...

A:

Q: Betong devises a customized temperature scale that assigns a temperature reading of 49 to the normal...

A: Given information: The melting point of gold on the Betong scale (B.MP) = 49 The boiling point on th...

Q: A projectile is fired with initial velocity of 35.0 m/s at an angle of 30° above the horizontal from...

A:

Q: 75.0 N, %3D %3D 6.33 In Figure P.6.4, VB = 12.0 V, R1 = 100.0 N, R2 = 55.0 N, R3 .. R: Figure P.6.4....

A:

Q: 3. Capacitor P 12 uF and oapacitor Q6.0 uF. Find the equivalent iF. of the combination if they are c...

A:

Q: In the pair production process, photon energy gets converted to particle/antiparticle pairs. Imagine...

A:  Creation of  an electron and a positron (or any pair of particles) from a single photon is impossib...

Q: boxer quickly learns to move his head backward when he sees he is going to receive a jab to the head...

A: By moving his head backward  ,this head motion reduces the force of punch . And he will hurt less by...

Q: A lost shipping container is found resting on the ocean floor and completely submerged. The containe...

A:

Q: A water pipe having a 2.96 cm inside diameter carries water into the basement of a house at a speed ...

A: Given : Diameter of water pipe = 2.96cm Radius of water pipe (r1) = (2.96/2) cm =0.0148 m Speed of w...

Q: Show that the velocity of the wave on a stretched string is the square root of the ratio of tension ...

A:

Q: You drop a 2.20 kg book to a friend who stands on the ground at distance D = 11.0 m below. If your f...

A: As per our company guidelines we are supposed to answer ?️only first 3 sub-parts. Kindly repost othe...

Q: Does the current in this circuit flow clockwise or counterclockwise? What is the voltage difference ...

A: Here current is positive. That is current is clockwise direction.

Q: How much heat is required to convert 18. 0 g of ice at – 10.0°C to steam at 100. 0°C? Express your |...

A:

Q: Another one A magnetic field of 3.2 T is perpendicular to a square coil of 12 turns. The length of e...

A:

Q: Momentum has Magnitude only Direction only Magnitude and direction Force and Velocity When a soccer ...

A: 1)We know that  Momentum is a vector quantity  p→=mv→  

Q: Trying to stay awake for an all-night study session, a student makes a cup of coffee by first placin...

A: Given: m =500g =0.5 kgT1 =20.0 °CT2=95.0 °C

Q: 6.6 Three of qi = 93 = 15.0 and q2 = µC are situated on the corners of a square of side l = 1.0 m as...

A: