What average force is required to stop a 900 kg car in 5 seconds if it was initially traveling at 80 km/hr?

To date, Saturn is known to have 13 rings made from which of the following?

How does a dynamo work

Multiple concussions are to long-term memory as: Hammers are to nails Mountains are to avalanches Waves are to sandcastles Gasoline is to a campfire

The electric field of a sinusoidal electromagnetic wave obeys the equation E=? (375V/m) sin[ (5.97*1015rad/s) t + (1.99*107rad/m) x]. Part B:What is the amplitude of the magnetic field of this wave? Part CWhat is the frequency of the wave? B = ? T

An electric current transports 90.0 C of charge in 471 milliseconds. Calculate the size of the electric current. Be sure your answer has the correct unit symbol and the correct number of significant digit

Describe the uses of compound pulleys

Why do cities on the East Coast have warmer climates than cities on the West Coast at similar latitudes?

What energy transformations take place when you eat a taco and then go for a jog around the neighborhood?

What is the kinetic energy of a 1.40 kg discus with a speed of 22.5 m/s?

A + B → C + D If there are 4 grams of product produced by the chemical reaction, how many grams of reactant were consumed? A) 0 grams B) 1 gram C) 2 grams D) 4 grams