An object weighs 42.53 newtons. What is its mass if a gravitometer indicates that g = 9.83 m/s2? Round to the nearest tenth.

Which of the following would not be useful in trying to correct spherical aberration a. using a combination lens made up of lenses, each of which has a different index of refraction b. using a circular stop to block out the outside rays of light c.

Do different colors of light carry different amounts of energy

F 600 J of work is done in 3 s, what is the power? (Power: P = W/t) 0.005 W 200 W 603 W 1800 W

Which characteristics do all terrestrial planets have? Select all that apply. A. Water B. Iron core C. Rocky crust D. Thin atmosphere E. Dense atmosphere F. Relatively high density

James argues that when we face a decision that is live, forced, and momentous in a situation in which we lack objective evidence, it is ok to decide what to believe on the basis of subjective factors, T/F?

An apple has a mass of 0.136kg and a watermelon has a mass of 9.07kg. Work out the mass of the apple as a percentage of the mass of the watermelon. Round to two significant figures. Convert kg values into pounds

In an experiment, 108 J of work was done on a closed system. During this phase of the experiment, 79 J of heat energy was added to the system. What was the total change in the internal energy of the system?

Which of the following force fields will deflect electron beams? Magnetic Electrical Gravitational

Which movement of the Earth cause day and night?

What's the velocity of a ball falling with 100 joules of kinetic energy and a mass of 2 kilograms? 3 m/s 5 m/s 7 m/s 8 m/s 10 m/s