Choose the letter of the answer that best completes

the statement or answers the question.

1. If a vehicle increases its speed from 20 mph to 60

mph, its braking distance will increase by

a. 3 times.

b. 4 times

c. 9 times.

d. 40 times.

Which region is also the spinal column region? vertebral scapular pelvic sternal

What did galileo see when he observed venus through his telescope?

If an ocean wave has a frequency of 2 waves/s and a speed of 4 m/s, what is its wavelength? Enter the answer

When an object reflects all the light waves that strike it looks white or black?

What are the magnitudes of the horizontal and vertical components of the force (in N) Bolt's feet exert on the ground? (Round your answers to at least three significant figures.)

2x^2:3=dg solve for x

A 2.25-kg block is released from rest on a ramp of height h. when the block is released, it slides without friction to the bottom of the ramp, and then continues across a surface that is frictionless except for a rough patch of width 15.

Which of the following are steps for balancing chemical equations? Check all that apply. ] A. Multiply the reactants to get the products. B. Change subscripts. O C.

1. Why does the water vapour in clouds condense? 2. Explain why you can see clouds but not see the water vapour in the air

What are some similarities between electricity and gravity?