9. A 170-g object is fired horizontally into a 2.25-kg block of wood suspended by a rope from the ceiling. The block swings in an arc, rising 46.0 cm in height above its lowest position. What was the speed of the object?

Q: A 5 kg block falls from rest down a 7 m high frictionless hill. It collides with a stationary 2 kg a…

A:

Q: Consider a small car of mass 1080 kg and a large sport utility vehicle (SUV) of mass 3960 kg. The…

A: Mass of small vehicle is Mass of large vehicle is Speed of large vehicle is Both vehicles have the…

Q: 2. A 3-kg firework flies in a straight line with an initial velocity of 150 m/s and bursts into two…

A:

Q: An 18g bullet is fired into 4kg block that is suspended from the ceiling by ropes. The bullet comes…

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Q: 8. A rifle bullet with mass m strikes and embeds itself in a block of mass M that rests on a…

A:

Q: 1. A 0.420-kg block of wood hangs from the ceiling by a string, and a 0.0750-kg wad of putty is…

A:

Q: 45-g baseball was hit with an average force of 115 N over a distance of 5.75 m. What is the speed of…

A:

Q: An archer shoots an arrow toward a 300-g target that is sliding in her direction at a speed of 2.30…

A:

Q: A person of mass 71 kg is thrown down a slide until he falls into a swimming pool. The initial…

A: Mass (m) of a person = 71 kg     Height (h) of water = 12 m                     Speed (v) = 12.7802…

Q: The massless spring of a spring gun has a force constant k = 12 N/cm. When the gun is aimed…

A: Now, the spring's initial compression is computed as, We know mass m is 15 g Height, h is 5 m, Force…

Q: A 0.25-kg ball is attached to a 26-cm piece of string (Figure 2). The ball is first raised so that…

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Q: 9. A vertically mounted spring (k = 850 N/m) is compressed by 30.0 cm relative to its unstrained…

A: Potential energy due to spring: The potential energy due to a spring is given by the formula,…

Q: 9. In target practice, a thick board stops a bullet at a penetration depth of 5.80 cm. Use the…

A: Given  Mass of bullet, m = 7.50 g  Initial speed ,V = 650 m/s  Thickness 1, t1 = 5.80 cm  Thickness…

Q: A spring gun (k= 28.0 N/m) is used to shoot a 41.3-g ball horizontally. Initially the spring is…

A: Given: The spring constant is 28 N/m. The mass of the ball is 41.3 g. The initial compression in the…

Q: spring constant in N/m

A:

Q: By an explosion, a stationary object is shattered into two pieces: A and B. The kinetic energy of…

A: As the object is at rest before the explosion it has a momentum that is zero. Since no external…

Q: International undercover spy Jamese Bond has been cornered by enemy agents when Barbara, his spying…

A: mass of Barbara (m) = 49 kg mass of James (M) = 83 kg Length of rope (L) = 24 m

Q: A ball rolls off the top of a stair and steps down a total height of 3.00 m. The ball hits three…

A: Given Balls roll of from 3 m height Each step height = 1 m each collision are elastic collision We…

Q: A 326- g stationary air-track glider is attached to the end of an air track by a compressible spring…

A: The mass of the first glider is m1 = 163 g = 0.163 kg. The mass of the second glider is m2 = 326 g =…

Q: 10. Each croquet ball in a set has a mass of 0.53 kg. The green ball, traveling at 11.9 m/s, strikes…

A:

Q: Two 2 kg carts are connected by a compressed spring of stiffness 5 J/cm2. Starting from rest, the…

A: Given data: Mass of cart1 and cart 2, m1=m2=2 kg Stiffness of spring, k=5 J/cm2=5 N/cm=5×102…

Q: or the parts to reach the g parts hit the ground at the ween the points on the ar

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Q: The Dread Pirate Roberts is trying to fire a 12 kg cannon ball from a 250 kg cannon. In order to…

A:

Q: Ex: A block f mass (2kg) is connected to (m)cord, which can break if the tension in the cord exceeds…

A: Given data: The mass of the block, m=2 kg. The length of the cord, r=1 m. The maximum tension the…

Q: A pendulum of mass m and length is initially at rest at an angle 9. The pendulum then swings down…

A: Given : pendulum with Bob mass m and Length L and a block of mass M rest on surface . There is also…

Q: A block is dropped onto a spring with k = 34 N////m. The block has a speed of 3.0 m/s just before it…

A:

Q: An archer shoots an arrow toward a 300-g target that is sliding in her direction at a speed of 2.25…

A: This a problem of collisions and hence can be solved using the conservation of linear momentum. The…

Q: A 30-caliber rifle with a mass of 3.14 kg fires a 9.33- g bullet with a speed of 596 m/s with…

A: Given

Q: A pitcher bestows a power of P = 206 W to a baseball of mass m = 0.095 kg for a period of t = 0.28…

A:

Q: 11. A bullet of mass 2 grams, travelling at 500 m/s is fired into a ballistic pendulum of mass 1 kg…

A:

Q: 1. You want to drive cart A, initially at rest, through a piece of paper by launching cart B against…

A: We need to explain which side of cart B we need to use in collision. Both cart A and B have same…

Q: 4. A 2.0 kg block hangs from the end of a 1.5 kg, 1.0-m long rod, together forming a pendulum that…

A: