1) what's the recommend amount of uv protection that sunglasses should provide?

a. 50%

b. 75%

c. 80%

d. 100%2) one way to ensure good sleep hygiene is to change your bedtime frequently. truefalse

As the temperature of an object rises, so does the A. kinetic energy of the object. B. mass of the object. C. thermal energy of the object. D. potential energy of the object.

A device that has the capacity to receive and store electrical energy is a (n) Insulator Capacitor

A flea jumps straight up to a maximum height of 0.550 m. what is its initial velocity v0 as it leaves the ground?

If an element has 5 electrons how many of them will be in the 2nd energy level

The molecule that traps the sun's energy is?. a. ATP b. glyceraldehyde-3-phosphate c. chloroplast d. chlorophyll

Explain how we were able to boil water at room temperature

A car drives at 30km/h around a roundabout. I still the car accelerating?

It is well known that bullets and other missiles fired at Superman simply bounce off his chest. Suppose that a gangster sprays Superman's chest with 6.7 g bullets at the rate of 78 bullets/min, and the speed of each bullet is 530 m/s.

Seth starts from rest at the end of his driveway and accelerates down the road on a skateboard at 4 m/s squared 12 seconds what is the speed at the end of his 12 seconds

Suppose the truck that's transporting the box In Example 6.10 (p. 150) is driving at a constant speed and then brakes and slows at a constant acceleration.