A student throws a 1.8kg ball horizontally off the top of a building with an initial speed 3.85 m/s. At the same time, another student throws a ball with equal mass along the same trajectory with an initial speed of 2.75 m/s. Which of the balls hits the ground first?

Q: 13. A large pick-up truck and a small compact car both have the same momentum. What can be said…

A: The mathematical equation for calculating the momentum is : P=mv Here, P is the momentum, m is the…

Q: Two iceskaters suddenly push off against one another starting from a stationary position. The 45-kg…

A: Given:           mass m1 = 45kg           mass m2 = 60kg              v1         = 0.375m/s…

Q: A ball-launching machine launches a ball of 500 g toward the wall at 10.0 m/s at 30.0° above the…

A: a) 8.8m/sb)4.616 m/sc)3.96 mExplanation:Step 1: Step 2:Step 3:

Q: 4. Batman with mass 90 kg jumps straight down from a building to a moving car to chase The Joker.…

A: Given : m1 = 90 kg v1i = 0 (because initially Batman hits the car) m2 = 500 kg v2i = 15 m/s

Q: A 1,000-kg car is initially traveling due east at 26 m/s when it collides with a 2,000-kg truck that…

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Q: A bartender slides a beer mug at 1.1 m/s towards a customer at the end of a frictionless bar that is…

A: Given The horizontal velocity of the beer mug is vx = 1.1 m/s. The height of the bar from which the…

Q: a 1040 kg car and 3360 kg truck collide perfectly inelastically. before the collision, the car…

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Q: A marshmallow is dropped from a 6-meter high pedestrian bridge and .93 seconds later, it lands right…

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Q: 3. You are watching a fancy celebration which includes fireworks. These are shot from a movable…

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Q: An atomic nucleus at rest decays radioactively into a smaller nucleus and an alpha particle (i.e. a…

A: Given:An larger nucleus decays into a smaller nucleus andan alpha particle. Speed of alpha particle,…

Q: A 4.0-kg mass has a velocity of 4.0 m/s, east when it explodes into two 2.0-kg masses. After the…

A: The magnitude of the velocity of the other mass can be calculated using given steps:Given:

Q: A  72kg hockey player skating due east at 7.8m/s collides head-on with an 83kg player skating due…

A: The objective of this question is to find the velocity of two hockey players after they collide and…

Q: Kyle, a 90.0 kg football player, leaps straight up into the air (with no horizontal velocity) to…

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Q: .A 0.04-kg ball is thrown at 20m/s from the top of a 30-m tall building (point A) at an unknown…

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Q: At what speed must a particle move in order to double its mass? a. 2.6x108 m/s b. 2.8x108 m/s…

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Q: You are standing on a sheet of ice that covers the football stadium parking lot in Buffalo; there is…

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Q: 2.) A 20-kg satellite is traveling in space along a straight trajectory (call this your x- axis). It…

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Q: A 1,000-kg car is initially traveling due east at 26 m s when it collides with a 2,000-kg truck that…

A: Given:mass of the car, m = 1000 kgintial velocity of car, u = +26 m/smass of the truck, M = 2000…

Q: Kyle, a 95.0 kg football player, leaps straight up into the air (with no horizontal velocity) to…

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Q: A 1000 kg car travelling at 30m/s collided head-on with a 2000 kg van travelling at 20 m/s. After…

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Q: 7. A 100 kg cannon, at rest, contains a 10 kg cannon ball. When fired, the cannonball leaves the…

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Q: A mine cart has a mass of 100 kg and is moving with a velocity of 4 m/s. A 200 kg rock is dropped…

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Q: If the velocities of two bodies before collision are u = 7 m/s, U2 = 3 m/s and after collision Vj =…

A: Given Data : The initial velocity of the first body before the collision is given as u1=7 ms The…

Q: Billiard ball A (0.35 kg) moves at 10 m/s toward a second identical ball (Ball B) that is not…

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Q: Find the time of flight of the projectile. A projectile is launched with an initial speed of 30.0…

A: Given data: Initial speed (v0) = 30.0 m/s Angle (θ) = 60° with the horizontal Required: The time of…

Q: A block of wood of mass 0.95 kg is initially at rest. A bullet of mass 0.050 kg traveling at 100.00…

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Q: Two identical carts traveling in opposite directions are shown just before they collide. The carts…

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Q: Twó čars, each with a mass of 800 kg, collide and stick together. One was initially moving at 90…

A: mass of both car=800 kgm1=m2=800 kgsuppose velocity of car 1:v1=90 kmhv1=90×10003600v1=25 msv2=0 (at…

Q: iv. Imagine that a 60.0 kg person is standing on a 40.0 kg cart, as shown in the diagram. Also on…

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Q: The two masses in the figure are released from rest. What is the speed (in m/s) of the masses after…

A: Mass of each block are 3 kg and 2 kg respectively Acceleration due to gravity (g)=9.8 m/s2 Distance…

Q: A 23 kg child is coasting at 3.6 m/s over flat ground in a 6.0 kg wagon. The child drops a 1.3 kg…

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Q: 24-25. From the tanker, a rope is thrown at an angle of 30° with the horizontal. If its velocity is…

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Q: A marble that is projected from a cliff with a horizontal speed of 2.50 m/s hits the ground below in…

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Q: A small car with mass 800 kg travels at 30 m/s. It collides head-on with a large semi-trucl with…

A: Given : Mass of a car (m) = 800 kg Initial speed of a car (v1i) = 30 m/s Mass of a truck (M) = 32000…

Q: a. What is the speed of the combined mass system after the collision?

A: Conservation of linear momentum If no net external force acts on a particle, then the momentum of…

Q: A 5.0-kg ball is at rest when it is struck head-on by a 2.0-kg ball moving along a track at 10.0…

A: Given data:  m1 = 5.0 kg and m2 = 2.0 kg u1 = 0 m/s, u2 = 10.0 m/s V2 = 0 m/s Required: The speed of…

Q: a 1040 kg car and 3360 kg truck collide perfectly inelastically. before the collision, the car…

A: From the conservation of momentum along the x-axis, determine the x-component of their final speed…

Q: 3. Two billiard balls collide and proceed to separate from one another at the same constant speed.…

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Q: A ball on a cart is moving at a rate of 2 m/s. The cart suddenly stops and the ball continues to…

A: Solution:

Q: Your mass is 63.4 kg, and the sled s mass is 25.0 kg. The sled is moving by itself on the ice at…

A: Write the given values with the suitable variables. m1=63.4 kgm2=25 kgu2=3.19 m/s Here, m1, m2, and…

Q: Two cars are driving down the street. The one traveling straight west has a momentum of 10,000…

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Q: 10. A poolio-coolio claims that he has perfected the greatest trick shot of all time. He claims that…

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Q: Alexis bounced a 0.550 kg rubber ball on the floor. The ball's speed just before hitting the floor…

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Q: 8. A friend throws a basketball to you as you are standing on a frictionless patch of ice. To make…

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?”