Is a calorie a measure of weight

Which of these can a fun house mirror do? Select all that apply. a) focus light rays b) spread light rays c) refract light rays d) absorb a lot of light e) reflect light rays so they're parallel to each other

If a star is 50 light-years away from earth, how long will it take light to travel from star to earth?

A car battery seems to be malfunctioning (not providing the proper voltage and current to start your car).

An advertisement for a new fish food claims that lab studies show that fish grew three inches in three weeks while eating the food. Travis wondered if the food was worth the extra cost. To evaluate the claim in the advertisement, Travis should

Which operations are not associative? A. multiplication and addition B. multiplication and division C. division and subtraction D. addition and subtraction

A 3.00 watt electric motor is plugged into an electrical outlet It takes the motor 30 00 seconds to lift a mass of 254.9 g a distance of 10.00 cm. In that time, the motor has used 90.

How would it be possible for an object to be traveling with a constant speed and still accelerating?

If a magnet is put inside one coil of wire a voltage is produced. What will happen if the magnet is put inside two coils of wire

An electric force exists between which pair of objects? Check all that apply. A) a neutral object and a negative object two negative objects B) a neutral object and a positive object C) two positive objects D) a negative object and a positive object

The Hubble Space Telescope (HST) orbits 569,000m above Earth's surface. Given that Earth's mass is 5.97 * 10^24 kg and its radius is 6.38 * 10^6 m, what is HST's tangential speed?