A 100 N box is placed on an inclined plane that makes a 30° angle with the horizontal. Calculate the component of gravitational force that acts down the inclined plane.

A. 25 N

B. 50 N

C. 87 N

D. 100 N

Calculate the angle of refraction of 30.0° light shines from water into ice. The indices of refraction for water and ice are 1.36 and 1.31, respectively.

Using a 40w light bulb for 12 hours will consume how much energy?

What is one of the drawbacks to the use of solar energy for generating electricity?

The reason the correspondence between mass and energy has been only recently discovered is that a. the changes involved on Earth are very small. b. we only recently have had accurate enough instruments. c.

According to the law of conservation of energy, when a lawnmower uses 750 J of chemical energy from gasoline, how much of this energy will be transformed into mechanical, sound, or heat energy?

You are painting a house with a very steep roof. How do paint the sloping eaves safely?

A crazed physics student goes to the roof of the school 14.2 meters above the ground and drops a pumpkin straight down with an initial velocity of 0 m/s how long does it take for the pumpkin to hit the ground

A satellite with a mass of 5.6 E 5 kg is orbiting the Earth in a circular path. Determine the satellite's velocity if it is orbiting at a distance of 9.8 E 5 m above the Earth's surface. Earth's mass = 5.98 E 24 kg; Earth's radius = 6.357 E 6 m.

which will produce bigger acceleration: a force of 10.0 N acting on a mass of 5.0 kg, or a force of 5.0 N acting on a mass of 10.0kg?

Five properties of magnet