A 100g steel ball falls from a height of 1.8m on to a metal plate and rebounds to a height of 1.25m, find  The p.e of the ball before the (fall g=10m/s2) Its k.e as it hits the plate Its velocity on hitting the plate

Q: A curious student drops of 1 g coin from a 36 m high window what is the velocity of the coin just…

A: Given data:  A coin is dropped from the window  Initial velocity (u) = 0 m/s Height (h) = 36 m…

Q: A 100 g ball rolls off a table and lands 2 m from the base of the table. A 200 g ball rolls off the…

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Q: Which object had a higher momentum before the collision? O The red square You cannot tell from the…

A: Option 2  Reason in step 2

Q: You are working in an ice skating rink and have been asked to hang a new banner on the wall. Your…

A: the forces are shown below

Q: 87. Show that ( B × ). A is the volume of the parallelepiped, with edges formed by the three vectors…

A: The cross product of two vectors gives us the area. So, area of the base is This vector will be…

Q: 2. A golf ball w on the ball va (when the ba the ball leave with a veloci the collision

A: Given: The mass is m=50 g. The velocity is v=44 m/s. The expression for impulse is: P=mv

Q: a.) Calculate the impact velocity of a package falling a distance of 1.2 m. b.) Calculate the time…

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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 98258 package falls 7811cm to the ground what is the package's speed when he package is:(no air…

A: Calculate the distance of the package when it is 3 m above the ground. d=d0-d'=78.11 m-3 m=75.11 m…

Q: art with a mass of 50 g is thrown at 15 m/s and sticks into a 100-g apple hanging on a string. What…

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Q: 2. A 10-g ball is dropped from a height of 1.5 m above the ground. If the collision time is 0.25 s…

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Q: If the speed of an object doubles, the momentum and kinetic energy A. momentum doubles and kinetic…

A: Write the expressions for the momentum and the kinetic energy, respectively.

Q: Two football players collide with a total momentum of 520 kg before the collision after the…

A: According to law of conservation of linear momentum, total momentum before collision is equal to…

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: Two blocks slide toward each other on a frictionless surface, as seen below. They collide and then…

A: Given Data : The mass of the smaller block is given as m1 = M. The mass of the larger block is given…

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 person hits a 45 g golf ball. the ball comes down on a tree root and bounces straight  up with an…

A: Write the given values with the suitable variables. m=45 g=0.045 kgu=14 m/s Here, m is the mass and…

Q: A student sets up an experiment to measure the momentum of a system of two air cars, A and B, of…

A: Collision of two cars

Q: 13. A force acts on a 2.7 kg object that moves along the x axis (see figure). If the velocity v̟ is…

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Q: A 191.5-kg astronaut and equipment move with a velocity of 2.03 m/s toward an orbiting spacecraft.…

A: Newton's second law equation is, F=ma Here, F is the force, m is the mass, and a is acceleration.…

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: When the mass reaches point x = 0, its kinetic velocity is? *

A: The velocity of a body executing SHM is maximum at the mean position and away from the mean…

Q: What is the magnitude of the angular acceleration of the cylinder?

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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: determine the magnitude of the change in momentum of a 250-g ball moving at 13.0 m/s that bounce off…

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Q: When the speed of an object is doubled, its momentum a. remains unchanged in accord with the…

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Q: When considering relative velocity, which of the following scenarios would result in a runner being…

A: A tail wind is a wind that flows in the direction of travel of object . A head wind is the wind that…