a box is pushed along the ground with a force of 20N. If the box is pushed 0.5M. How much work done is on it?

The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e

In the circuit shown below, with each bulb holding a resistance of 60 ohms, how many amps of current are flowing? express your number as a decimal.

Rank the automobiles based on the magnitude of the force needed to stop them, from largest to smallest.2000 kg car going 5m/s500 kg car going 20 m/s1000 kg car going20m/s500 kg car going10m/s1000 kg car going10/s4000 kg car going 5m/s 0 0 603