A 60-kg swimmer suddenly dives horizontally from a 150-kg raft with a speed of 1.5 m/s. The raft is initially at rest. What is the speed of the raft immediately after the diver jumps if the water has negligible effect on the raft?

A spring has a spring constant of 48 N/m. The end of the spring hangs 8 m above the ground. How much weight can be placed on the spring so that the end of the spring is 2 m above the ground? 96 N 288 N 384 N 480 N

Explain why the person heard the thunder after seeing the lightning

The "Hangtime" or time spent in the air by a projectile is dependent on

Which of the following takes place during a double displacement reaction? a complex substance breaks down into two or more simple substances a single substance replaces another substance in a compound two simple substances combine to form a new

A cheetah can run from 0 to 70 mph in 2.2 seconds. what is the cheetah's top speed in m/s?

If a cart of 4 kg mass has a force of 8 newtons exerted on it, what is its acceleration?

Why does the liquid thermometer work?

What energy do electrons have when they are farther away from the nucleus?

200 525000 lololo Boat A is 10 km north of a port. Boat B is 5 km east of the same port. Boat A sails in a straight line towards boat B. Work out the bearing on which boat A sails.

Is Li greater than He on the periodic table?