Which of the following devices can be used to measure force?

A. Bathroom scale

(b) spring scale

c. Force sensor

d. All of the above.

A boat travels upstream for 12 miles in 3 hours and returns in 2 hours traveling downstream in a river. What is the rate of the boat in still water and the rate of the current?

A 0.27 kg rock is projected from the edge of the top of a building with an initial velocity of 11.7 m/s at an angle 58◦ above the horizontal. Due to gravity, the rock strikes the ground at a horizontal distance of 15.

Brass is an alloy of copper and zinc the two metals are melted mixed and then solidified how would you best classify brass

As the wavelength of electromagnetic radiation increases, what happens to the frequency?

How is the motion of P waves different from the motion of S waves?

Why would an object float in water, but sink in rubbing alcohol?

What happens to the volume of solids, liquids, and gases when they are heated. Devise your own chart for your answer.

Which chemical compounds absorb large amounts of the sun's energy in the atmosphere? Select one: a. Nitrogen compounds, water vapor, and carbon compounds b. Carbon dioxide, water vapor, and dust c. Methane, nitrogen compounds, and dust d.

As protostars continue to contract, their cores become hotter and more dense until what process begins ...

Emily jogs 3 laps at the track to warm up. She jogs at 5 mph. Then she runs 3 more laps at 7 mph. What is true about her average speed and her average velocity?