A 6 cm long spring extends to 9 cm when a 1 kg load is suspended from it. What would be its length if a 2 kg load were suspended from it?

a. 12 cm

b. 15 cm

c. 18 cm

d. 21 cm

The total momentum of two marbles before a collision is. 06 kg·m/s. No outside forces act on the marbles. What is the total momentum of the marbles after the collision?

A group of students is measuring the change in momentum of an object. Which set of lab equipment would be most in measuring the momentum of an object?

Jamie has a good chance of having freckles because his parents have freckles. Which of the following statements explains this probability? Jamie has more chromosomes from his father than from his mother.

The shortest wavelengths occur in the:red end of the spectrumblue end of the spectrummiddle of the spectrum The light-gathering capacity of a telescope is dependent upon the:magnificationfocal lengthsize of human irisarea of aperture

A box accelerates at a rate of 2/m/s/s when it is pushed with 15 n of force

A 1,120 kg car is travelling with a speed of 40 m/s. Find its energy.

3. Calculate the amount of current through a 45-watt light bulb that is connected to a 120-volt circuit in your home.

Are oranges called oranges because oranges are orange, or is orange called orange because oranges are orange?

An object at rest has no net force acting on it. a. True b. False

A baseball has mass 0.145 kg. (a) If the velocity of a pitched ball has a magnitude of and the batted ball's velocity is in the opposite direction, find the magnitude of the change in momentum of the ball and of the impulse applied to it by the bat.