A stationary skateboarder I with a mass of 50 kg pushes a stationary skateboarder II with a mass of 75kg. After the push the skateboarder II moves with a velocity of 2 m/s to the right. What is the velocity of the skateboarder?

Q: A car heading north collides at an intersection with a truck heading east. Truck and car have equal…

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Q: unfortunate astronaut loses his grip during a spacewalk and finds himself floating away from the…

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Q: A large cargo truck loses traction on a wet road while moving at 30 m/s to the west as it approaches…

A:

Q: A miniature spring-loaded, radio-controlled gun is mounted on an air puck. The gun's bullet has a…

A: Given Mass of bullet = m = 5.00 g Mass of gun with puck = 140 g   Initial velocity of both gun and…

Q: An unfortunate astronaut loses his grip during a spacewalk and finds himself floating away from the…

A: mass of astronaut (m) = 113 kg Mass of bag of tools (m') = 10 kg Initial velocity of astronaut with…

Q: A 2 kg cannonball is shot in the westerly direction; it embeds within a 30.0 kg wood block that is…

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Q: A block of mass m1 = 10.5 kg slides along a horizontal surface (with friction, μk = 0.29) a distance…

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Q: A 85.5 kg ice hockey player hits a 0.150 kg puck, giving the puck a velocity of 49.0 m/s. If both…

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Q: An overnight rainstorm has caused a major roadblock. Three massive rocks of mass m1 = 528 kg, m2 =…

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Q: block of mass m1 = 14.5 kg slides along a horizontal surface (with friction, μk = 0.21) a distance d…

A: Mass of block 1 = m1 = 14.5 kg Mass of block 2 =m2 = 8.75 kg μk= 0.21 Distance traveled by block 1 =…

Q: In a crash test, a car with a mass of 1200 kg hits the wall as shown. the car's initial and final…

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Q: A block of mass m1= 19.5 kg slides along a horizontal surface with friction UK = 0.26, a distance d…

A: Part A: Only frictional force is acting on the block. Thus, using Newton’s second law of motion:

Q: Perfectly Inelastic Collision BEFORE AFTER m1=1300 kg m2=1900 kg m1=1300 kg m2=1900 kg V1=24 m/s…

A: Given data:  The masses of the objects  m1 = 1300 kg and m2 = 1900 kg Initial velocities  V1 = 24…

Q: A horizontal force of 10.0 N acts on a block of mass of 1.00 kg which is initially at rest on a…

A: Solution:   Given Values,   Force(F)=10 N  Mass(m)=1 Kg  Time (t)=2 s

Q: A canoe is designed to have very little drag when it moves along its length. Riley, mass 52 kg, sits…

A: Given data: The mass is: m2 = 52 kg The mass of the canoe is: m1 = 21 kg The velocity of canoe…

Q: A 0.130-kg baseball hits a wall head-on with a forward speed of 34.0 m/s. It rebounds with a speed…

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Q: Two carts, labeled 1 and 2, are headed toward each other along a level track. Both carts roll…

A: Given: m1 = 21.3 kgm2=3.11kgv1i=u1 = 1.9 m/sv2i=u2=-1.8 m/slet final speed are v1 and v2

Q: An empty coal car of mass 5000 kg starts from rest under an applied force of magnitude 1000 N. At…

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Q: Two cars approach an extremely icy four-way perpendicular intersection. Car A travels northward at…

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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: Two ice skaters push off against one another starting from a stationary position. The 54.1-kg skater…

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Q: Lineman A has a mass of 100 kg and traveling at 4 m/s when he collides with Lineman B who has a mass…

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Q: a. An arrow is fired from a bow with a velocity of 69.2 m/s. The arrow has a mass of 0.082 kg. The…

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Q: and the mass of the bag is 0.45 ??. The board is at an incline of 15° above the horizontal. a. Draw…

A: Given: m=0.45 kg θ=15o

Q: 10.000 3.0 m's 8000 Z 6000 Cart A 4000 2000 0.000s 0.0010 0.0015 Cart A with a mass of 2.0 kg…

A: Mass of cart A m1=2 kg, initial velocity of cart A u1=3 m/s, mass of cart B m2=1.5 kg at rest…

Q: The graph illustrates variable force F being applied for time t to an object which moves…

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Q: A cart of mass m1 on a horizontal track has a rocket attached to it. The rocket burns and delivers a…

A: Given that,Mass of a first cart on horizontal track = m1Mass of a second cart on horizontal track =…

Q: A child’s sled has rails that slide with little friction across the snow. Logan has an old wooden…

A: a) To determine the final velocity,

Q: A stunt woman is shooting an action scene in which she is falling past a window. After she clears…

A:

Q: A hungry 181 kg lion running northward at 78.2 km/hr attacks and holds onto a 38.0 kg Thomson's…

A: Lion's weight =181 kg Lion's speed=78.2 km/hr =21.72 m/s in north direction Gazelle weight =30 kg…

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: A block of mass m1 = 17.5 kg slides along a horizontal surface (with friction, μk = 0.23) a distance…

A: Given: The mass of the first block is 17.5 kg. The mass of the second block is 9.5 kg. The distance…

Q: ||| Dan is gliding on his skateboard at 4.0 m/s. He suddenly jumps backward off the skateboard,…

A: Consider Dan and his skateboard as the isolated system.Then, according to conservation of momentum,…

Q: Identical twins, each with mass 64.5 kg, are on ice skates and at rest on a frozen lake, which may…

A: Given:- The mass of each twin is m1= 64.5 kg  The mass of the backpack is m2= 12 kg  The velocity of…

Q: A ball (m = 0.350 kg) is thrown at a speed of 12.0 m/s and is hit by a bat changing the velocity to…

A: The original formulation of Newton's second law of motion is often expressed as follows:F =…

Q: Two ice skaters, initially at rest, push off each other in opposite directions. The skater labeled…

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Q: A 0.250 kg toy car moving with a speed of 0.820 m/s collides with a wall. The figure shows the force…

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Q: Imagine you are ice skating with your best friend. Both of you are at rest when you shove him/her…

A: To solve the given question we will use conservation of momentum.

Q: You are sitting in a sled, at rest on a pond covered with nice, thick, frictionless ice. Your own…

A:

Q: A 10-m-long glider with a mass of 680 kg (including the passengers) is gliding horizontally through…

A: Given,

Q: In a ballistics test, a 21.0 g bullet traveling horizontally at 1300 m/s goes through a 30.0 cm…

A: Given: Mass of bullet is 21 g or 0.021 kg Initial velocity of bullet is 1300 m/s Target's thickness…

Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: