How do electromagnetic waves differ from sound waves?

A flatbed truck is carrying an 800-kg load of timber that is not tied down. The maximum friction force between the truck bed and the load is 2400 N. What is the greatest acceleration that the truck can have without losing its load

A physics major is cooking breakfast when he notices that the frictional force between the steel spatula and the dry steel frying pan is only 0.100 N. Knowing the coefficient of kinetic friction between the two materials (0.

Four students measured the acceleration of gravity. The accepted value for their location is 9.78 m/s2. Which student's measurement has the largest percent error?

The minimum distance required to stop a car moving at 35.6 mi/h is 40.8 ft. What is the minimum stopping distance, in ft, for the same car moving at 71.5 mi/h, assuming the same rate of acceleration? (60.0 mi/h = 88.0 ft/s).

Having landed on a newly discovered planet, an astronaut sets up a simple pendulum of length 0.971 m and finds that it makes 319 complete oscillations in 846 s. The amplitude of the oscillations is very small compared to the pendulum's length.

What's is inductive reasoning?

The sun Why does mining often result in environment Pollution?

The men's world record for swimming 1500.0 m in a long course pool (as of 2007) is 14 min 34.56 s. At this rate, how many seconds would it take to swim 0.8500.850 miles (1 mi = 1609 m) ?

What is the acceleration of a 90 kg object which is acted upon by an unbalanced force of 435 N?

A batter swings at a baseball. The action force is the bat hitting the ball with a force of 5N. What is the reaction force?