Physics, 23.10.2021 14:00 kanyewest27

A 4.0 kg rock moving at 14 m/s strikes a stationary 3.0 kg rock. Afterward, the 4.0 kg rock is moving at 2.1 m/s in its original direction of motion. Calculate the kinetic energy of the 3.0 kg rock after the collision.

Answers: 2

Show answers

Other questions on the subject: Physics

Physics, 22.06.2019 04:30, destyneedonnea

Erosion of the beach is normally a slow process. however, in certain situations, large chunks of shore may wash out to sea. what could cause this to happen?

Answers: 3

continue

Physics, 22.06.2019 12:00, angelamirga332

Asolid round steel rod 6.25 mm in diameter and 375 mm long is rigidly bonded to the end of solid square brass rod 25 mm on a side and 300 mm long. the geometric axes of the bare are along the same line. an axial tensile force of 5.4 kn is applied at the extreme ends of the assembly. for steel e = 200 gpa and for brass e = 90 gpa. determine the total elongation for the assembly.

Answers: 1

continue

Physics, 22.06.2019 14:20, jadahilbun01

A1-lb collar is attached to a spring and slides without friction along a circular rod in a vertical plane. the spring has an undeformed length of 5 in. and a constant k =25 lb/ft. knowing that the collar is released from being held at a determine, the speed of the collar and the normal force between the collar and the rod as the collar passes through b.

Answers: 3

continue

Physics, 22.06.2019 16:30, amayareyes101

Large electric fields in cell membranes cause ions to move through the cell wall. the field strength in a typical membrane is 1.0 x 10 7 n/c. what is the magnitude of the force on a calcium ion with charge +e? what is its acceleration? is it possible for a particle with the same charge as as calcium to have a different acceleration if placed at this location? what would change the acceleration: mass of the particle? diameter of the particle?

Answers: 2

continue

You know the right answer?

A 4.0 kg rock moving at 14 m/s strikes a stationary 3.0 kg rock. Afterward, the 4.0 kg rock is movin...