A 50 kg car is pushed so that it speeds up from 20 m/s to 50 m/s in 3 seconds. What is the force acting on the car?

A

500 N

B

0.2 N

C

10 N

What is the most common consumed Halloween candy in the us after chocolate

A car having an initial velocity of 12 meters per second speed up uniformly to 22 meters per second. This change is made in 4 second. What is the car's acceleration? Show solution

Mark all the leptons a) Proton b) Electron c) Anti-top d) Gluon e) Tau Neutrino

If you increase the force on a object what happens to the acceleration?

Suppose a wheel with a tire mounted on it is rotating at the constant rate of 2.27 times a second. A tack is stuck in the tire at a distance of 0.393 m from the rotation axis.

A loop of wire is placed in a uniform magnetic field. (a) For what orientation of the loop is the magnetic flux a maximum? The plane of the loop is perpendicular to the magnetic field. The plane of the loop is parallel to the magnetic field.

Dr. Arenas is a scientist who has been trying to determine if increasing pressure will increase the sound that occurs when two chemicals explode.

Stephen buys a new mop he travels 3 km south and the. 4 km east and then 3km north how far does he need to go to get back. To where he started

The elements with the largest atomic radii are found in the

Students will explain, distinguish the difference between the 4 states of matter