The moon and other satellites rotate around the earth. Identify the force that keeps these satellites in orbit. A) gravity B) friction C) a strong force D) electromagnetic force

Un elicottero si muove alla velocità di 95 km/h parallelamente al suolo. Dopo 35 secondi, ha deviato la sua rotta di 35 gradi, raggiungendo una velocità di 72 km/h. Calcola il modulo della variazione di velocità.

A neutral metal object is attracted to a nearby charged object, even though the metal object carries no net charge. (A) True (B) False

The cylindrical filament in a light bulb has a diameter of 0.050 mm, an emissivity of 1.0, and a temperature of 3000°C. How long should the filament be in order to radiate 60 W of power? (σ = 5.67 * 10-8 W/m2 ∙ K4)

3 rights for all U. S residents

What should a graph of the velocity vs time look like if it shows an object moving toward the motion detector at a constant speed? a. An upwards curved parabola. b. A downwards curved parabola. c. A straight line with zero slope. d.

A car's position in relation to time is plotted on the graph. What is the car's average velocity for segment C? A) - 4 m/s B) - 0.25 m/s C) 0.25 m/s D) 4 m/s

What percent of my Iodine-131 sample will be left after 7 half-lives?

A 58.0 kg snow skier is on the top of 351 m high hill. After she has gone down a vertical distance of 142 m, what is her mechanical energy? Explain your answer (CER) !

A sphere has a mass of 2.10kg and travels along a horizontal plane at the velocity of 12.2m/s. Find the energy

What is the force required to accelerate a baseball with a mass of 0.145 kilograms and an acceleration of 35.00 meters/second squared?