Why does the amount of damage to a car depend on speed?

A 100-meter sprint is a race using only the straight side of a racetrack. A 400-meter sprint is a race that makes one complete lap around a racetrack. Why are velocity and speed the same for 100-meters sprint but not a 400-m sprint?

How many coulombs of positive charge are there in 47.0 gm of plutonium, given its atomic mass is 244 and that each plutonium atom has 96 protons? (enter answer to three significant figures and in the exponent form: Example, 1.38e5)

b. A force 100N makes an angle of Ø with the x axis and has a y component of 30 N. Find both the x and y component of the force and the angle Ø.

What is the name given to bacteria that don't respond to antibiotics

The density of water is 10*3 kg/m*3. the water pressure on a submarine is 2.0 x 10*7 N/m*2. The depth of the submarine below the surface of water in meters is?

Given the two sets, which statement is true? A = {1, 2} B = {1, 2, 3, 4}

The net force acting on an insect falling downward at constant velocity is

Which statement best compares the accelerations of two objects in free fall? O The heavier object has a greater acceleration.

A series RCL circuit includes a resistance of 280, an inductive reactance of 508, and a capacitive reactance of 315. The current in the circuit is 0.312 A.

A ray in benzene has a critical angle of 41.8 deg when trying to enter air. What is the index of refraction for benzene?