A man pulls on his dog's leash to keep him from running after a bicycle. Which term best describes this example?

negative work positive work negative force positive force

A 1.5 kg cart initially moves at 2.0 m/s. It is brought to rest by a constant net force in. 30s. What is the magnitude of the net force?

In the first stage of a two-stage rocket, the rocket is fired from the launch pad starting from rest but with a constant acceleration of 3.50m/s² upward. At 25.0 s after launch, the second stage fires for 10.

Which is the best description of the scientific theory

8a/46=92 a=x explain

What is the one thing you can do to control the momentum your car carries in a potential crash?

Sound 1 has an intensity of 38 W/m2. Sound 2 has an intensity level that is 2.5 dB greater than the intensity level of sound 1. What is the intensity of sound 2?

A cannonball is launched horizontally off a 20 m high castle wall with a speed of 85 m/s. How long will the cannonball be in flight before striking the ground? What is the range of the cannonball?

It is well known that bullets fired at Superman simply bounce off his chest. Suppose that a gangster sprays Superman's chest with bullets of mass m = 1.7 g at a rate of R = 165 bullets/min. The speed of each bullet is v = 380 m/s.

If you are 3.00 m from speaker A directly to your right and 3.50 m from speaker B directly to your left, will the sound that you hear be louder than the sound you would hear if only one speaker were in use?

How much more ground motion is produced by an earthquake of magnitude 7.0 than by an earthquake of magnitude 4.0?