A 7 kg sled is initially at rest on a horizontal road. the sled is pulled a distance of 2.9 m by a force of 42 n applied to the sled at an angle of 30o to the horizontal. find the change in the kinetic energy of the sled.

In Latin, the word arthropod means jointed foot. Besides jointed legs and a segmented body, what other characteristic is common to arthropods? A. a pair of antennae B. an exoskeleton C. ability to regenerate when their body is damaged D.

How to find a total resistance of the circuit

Through the complete electrolysis of a sample of pure water, a student collects 14.0 grams of hydrogen gas and 112.0 grams of oxygen gas. What mass of water (in grams), if it reacted completely, was initially present

A soda bottle can be filled completely by a faucet in 10 seconds. the bottle also has a hole that can drain the full soda bottle to empty in 30 seconds.

What is an example of a light mediem wave.

A brake warning lamp on the dash remains on whenever the ignition is on. If the wire to the pressure differential switch (usually a part of a combination valve or built into the master cylinder) is unplugged, the dash lamp goes out.

The host says during the video that her interests during middle school were?

Two hockey pucks with mass 0.1 kg slide across the ice and collide. Before the collision, puck 1 is going 13 m/s to the east and puck 2 is going 18 m/s to the west. After the collision, puck 1 is going 18 m/s to the west.

A snake accelerates from 2 m/s to 10 m/s in 4 seconds. What is the snakes acceleration? m/s2

What is the difference between speed and velocity