In the effects of kinetic energy, the slower an object goes, the longer that it will take to bring that object to a stop.

a. true

b. false

What average force is required to stop a 1400 kg car in 6.0 s if the car is traveling at 90 km/h? Express your answer to two significant figures and include the appropriate units.

A 10-kg mass is suspended by a rope. What is the acceleration if the tension in the rope is 118 N while the mass is in motion?

How much amount of heat is required to raise the temperature of 20 grams of water from 10°C to 30°C? The specific heat of water is 4.18 J/g°C.

Describe the role of consumers in a food web. Are consumers heterotrophs?

Is mercury (the planet) rocky or gaseous (meaning relating to or having the characteristics of a gas.)

How to find acceleration

Which of the following involves the emission of a particle that has the same mass of an electron with a positive charge. a. alpha decay c. positron emission b. beta decay d. nuclear forces

Which of the following is an example of distance

What outside force slows down a parachute?

A cable applies a vertical force to a crate with a mass of 70.0 kg. It first lifts the crate to a height of 12.0 m above the floor, and then lowers it back to the floor. What is the total work done by the force?