Which of the following elements is not radioactive?

a. Francium

c. Radium

b. Radon

d. Titanium

What is the average speed for a car driving a distance of 186 meters to the north in a time of 28 seconds? a 6.64m/s b 9.15m/s c 3.64m/s d 7.64m/s e 9.64m/s

Rank the following from smallest current to largest current. A 1200W microwave connected to 110V outlet. I=P/U=1200/110=10.9 A A 1500W water heater connected to 220V outlet. I=P/U=1500/220=6.8 A A 100W light bulb connected to 110V outlet.

Compared to white dwarf stars, neutron stars are-? A. More abundant B. Smaller C. Less dense D. Older

What is a spoiler on a racecar designed to do?

A proton in an accelerator attains a speed of 0.772c. what is the magnitude of the momentum of the proton?

Drag each tile to the correct box. Arrange the objects in order from least to greatest potential energy. Assume that gravity is constant. (Use PE = m * g * h.) 1.) a 15-kilogram stone found at a height of 3 meters 2.

On a cold winters da, y, If you left a drink setting outside, it could freeze. Explain why in a complete sentence Hint-Consider th kinetic theory of heat that explains that temperature is directly related to kinetic energy of atoms.

perature is 0◦F. How much taller is the building when the temperature is 107◦F? The linear expansion coefficient of steel is 1.1 * 10-5 (◦C) - 1.

A weightlifter lifted 800 Newtons to a height of 2.5 meters. What is the power output if this was done in 1.22 seconds?

What conditions must be present for a translational and rotational equilibrium of a rigid body?