S5. Two small uniform smooth spheres have masses m and 3m, and speeds 7u and 2u in opposite.directions, respectively. They collide directly, and the lighter mass is brought to rest by the collision. Find the coefficient of restitution.

Q: Use the definition of scalar product, d ·b = ab cos 0, and the fact that d ·b = a,b, + a,b, + a̟b̟…

A: scalar product of two vectors:

Q: A CD rotating at angle initial angle 40 rev / min , it took sec 20 to stop, how many turns did it…

A: The angular acceleration is,

Q: An electric drill starts from rest and undergoes uniform angular acceleration for a period of 0.100…

A:

Q: Suppose a person wishes to lift a large rock with a lever. If the rock has a mass of 250kg and is…

A:

Q: n = 3 S₂ PS2 e S P.S A n = 2 P A H m = 1 n = 1 m = 0 n = 1 m=2 n = 2 m = 1

A:

Q: help Sometimes you have to do the problem in two steps: A car moving at 12 rad/s comes to a stop…

A: Given: Angular velocity, ω = 12 rad/s  Time taken to stop, t=7 s   Ti determine: Angle made by car…

Q: A person tries to open the valve by applying the couple forces of 42.8 N to the wheel of diameter…

A:

Q: the IMA 0.25 for this lever? 6.25/25N

A:

Q: QS Could the parallelogram imethod be used to add four vectors (in one step)? Yes/No

A: It is not possible to add four vectors in one step using parallelogram method.

Q: E350 A Q1: For a configuration of a slider crank 1000 480 mechanism shown below, calculate the :…

A: Write the given values of this problem. OA or ro=480 mmAB=1000 mm or 1 mω=20 rad/sθ=60°

Q: In the picture below, how far up the ladder can the person go safely without the ladder slipping? es…

A:

Q: A student sits on a freely rotating stool holding two dumbbells, each of mass 2.96 kg (see figure…

A:

Q: A fireman 54.0 m away from a burning building directs a stream of water from a ground-level fire…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: 10. According to Kepler's second law of planetary motion, a planet in orbit around the sun will a)…

A: Solution: According to Kepler's second law of planetary motion, the line joining the center of the…

Q: Needs Complete solution with 100 % accuracy. Don't   use chat gpt or ai i definitely upvote you be…

A: Step 1: Draw the free body diagram. Step 2: This is a static equilibrium problem. Take the sum of…

Q: Jf 15 J of potential energy are stored in a spring which has been compressed by 2 cm from its…

A:

Q: 180 1-Convert the following degrees to radians. Report 3 sig figs. 15°, 45°, 90°, 120° 2-Convert the…

A: 150=15×π180=π12 rad450=45×π180=π4 rad900=90×π180=π2 rad1200=120×π180=2π3 rad