A ball is thrown with an initial horizontal velocity of 30 m/s from a height of 3m above the ground and 40m from a vertical wall. How far from the wall will the ball rebound for the first time?

Q: A car’s bumper is designed to withstand a 4.0-km/h (1.12-m/s) collision with an immovable object…

A: The work done is,

Q: Problem 4: During an ice show, a 62.5-kg skater leaps into the air and is caught by an initially…

A: Mass (m1)= 62.5kg.      U1 = 3.8m/s Mass (m2) = 67.5kg.      U2= 0m/s

Q: A 3kg steel ball strikes a wall with a speed of 6 m/sec at an angle of 300 with the surface. It…

A:

Q: A 23.0-kg cannonball is fired from a cannon with muzzle speed of 1 150 m/s at an angle of 36.0° with…

A: Mass of ball= 23 KgFired angle for first case = 36 °Fired angle for 2nd ball = 90°.Initial speed of…

Q: In a railroad yard a 35,000 kg boxcar moving at 6.6 m/s is stopped by a spring-loaded bumper mounted…

A: When the car stops completely then all of its kinetic energy is stored as potential energy in the…

Q: A ipad made of two pieces, the front lighter piece being 6kg of metal connected by a spring, is…

A:

Q: A rectangular block of metal situated on a wide flat surface is given an initial speed of 4.5m/s.…

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Q: The ball is thrown as shown in the figure having a 2.01 m/s - horizontal velocity. Then the ball…

A:

Q: 1.A player passes a 0.600-kg basketball downcourt for a fastbreak. The ball leaves the player’s…

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Q: A 480 g peregrine falcon reaches a speed of 75 m/s in a vertical dive called a stoop. If we assume…

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Q: Part (e) Calculate the magnitude of the angular momentum L, in kg · m2/s,of the coconut as observed…

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Q: 18. A 45-g arrow was released with an average force of 115 N over a distance of 5.75 m. What is the…

A:

Q: Mitch throws a 98–gram lump of clay at a 639 g target, which is at rest on a horizontal surface.…

A: mass of clay lump = 98 g mass of target = 639 g initial speed of the target = 0 m/s distance moved…

Q: spring gun (spring constant k-42 N/m) is used to shoot a 30-g ball horizontally. Initially the…

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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: Jane holds an apple of mass m over the edge of a bridge of height h = 9m. She drops the apple and it…

A: CONCEPT: We know, From kinematic equation of motion,  v² = u²+2as.......(1) Where,    'v' is the…

Q: Mitch throws a 113-gram lump of clay at a 696 g target, which is at rest on a horizontal surface.…

A: Let, speed of clay before impact is u and speed of target before impact is 0. Mass of clay mc and…

Q: A car's bumper is designed to withstand a 6.84-km/h (1.9-m/s) collision with an immovable object…

A: using v2-u2=2as we get, 0-1.92=2×a×0.165a=-1.922×0.165=-10.94 m/s2

Q: A 210 g ball is dropped from a height of 2.3 m and bounces on a hard floor. The force on the ball…

A: Approach to solving the question: Detailed explanation:Examples: Key references:

Q: In a railroad yard a 35,000 kg boxcar moving at 9.4 m/s is stopped by a spring-loaded bumper mounted…

A: Write the given values with the suitable variables. m=35000 kgv=9.4 m/sk=2.8 MN/m=2.8×106 N/m Here,…

Q: A car’s bumper is designed to withstand a 12.53 m/s collision with an immovable object without…

A: Data Given ,  Initial speed of the car ( Vi ) = 12.53 m/s Final speed of the car ( Vf ) = 0 m/s Mass…

Q: Part B Find the maximum height that the block reaches if the incline is 20.3 °. All surfaces are…

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Q: A 355-g ball is thrown at a speed of 32.3 m/s from the top of a 39-m high cliff. Determine the…

A: mass of ball=355gram=0.355 kg initial speed of ball(vi)=32.3 m/s initial height(hi)=39 m final…

Q: A 847-g ball is thrown at a speed of 38.6 m/s from the top of a 46-m high cliff. Determine the…

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Q: A car's bumper is designed to withstand a 5.40-km/h (1.5-m/s) collision with an immovable object…

A:

Q: A m = 1500 kg car traveling at an initial speed of vo= 10 m/s suddenly runs out of gas while…

A: a) Write the energy conservation equation between both sides.…

Q: At the moment when a gunman releases a 8 kg shot, the shot is 24m above the ground and travelling at…

A: Let the maximum height be hmax. let the mass of the shot be m. let the potential energy of the shot…

Q: A projectile of mass m = 3.00 kg is launched with an initial velocity of 17.0 m/s at an angle of…

A: It is given that, the initial velocity of the projectile is v=17.0 m/s, the mass of it is m=3.0 kg,…

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 forest fire is easiest to attack when it’s just getting started. In remote locations, this often…

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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: A car's bumper is designed to withstand a 5.04 km/h (1.4-m/s) collision with an immovable object…

A:

Q: Problem 8: A bullet is fired horizontally into an initially stationary block of wood suspended by a…

A: Explanation We will use principle of conservation of energy to solve the problem. According to the…

Q: A 5-kg projectile is fired over level ground with a velocity of 200 m/s at an angle of 25°above the…

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Q: A 200 kg roller coaster is initially moving at 4.0 m/s. The ride reaches a maximum height of 35 m…

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Q: Gayle runs at a speed of 4.35 m/s and dives on a sled, initially at rest on the top of a…

A: Given Data Mass of Gayle=mG=50 kgMass of Gayle's brother=mGB=30 kgMass of Sled=mS=5 kgInitial…

Q: Mitch throws a 114-gram lump of clay at a 517 g target, which is at rest on a horizontal surface.…

A: The problem is based upon the law of conservation of momentum and equations of motion. We know that…