A conducting material must have many free electrons to qualify as an insulator.

A car is traveling to the left, which is the negative direction. The direction of travel remains the same throughout this problem. The car's initial speed is 25.6 m/s, and during a 8.48-second interval, it changes to a final speed of (a) 31.

When a golf ball is hitit travels at a rate of 50 m/s. The mass of the golf ball is 0.045kg. What is the kinetic energy of the golf ball?

A car of mass 1.15*103kg1.15*103kg is stalled on a horizontal road. You and your friends give the car a constant, forward, horizontal push. There is friction between the car and the road.

The number of times a machine multiplies the effort force is the what of the machine

The parking brake on a 1000 kg Cadillac has failed, and it is rolling slowly, at 1 mph, toward a group of small children.

A hole of radius r is bored through the center of a sphere of radius r. Find the volume v of the remaining portion of the sphere.

What is a sentence for refraction

A stimulus with a low predictive value means that

In otherwise empty space is a system of 4 particles, each of the same mass. The accelerations of the particles are as follows: a1 = ˆi a a2 = ˆj a 2 a3 = - (ˆi + ˆj) (2 a) a4 = (ˆi - ˆj) (3 a), where a > 0 is a constant.

How many electrons does a neutral atom of oxygen-18 have? 8 O 16.00 A. 8 B. 10 C. 18 D. 16