Suppose you are spinning a child around in a circle by her

arms. The radius of her orbit around you is 1 meter. Her speed

is 1 m/s. Her mass is 25 kg. The magnitude and direction of

tension in your arms is___N towards her.

What is the wavelength corresponding to the most intense light emitted by a giant star of surface temperature 4400 k?

What three things can happen to the radiation that earth receives from the sun?

Newton's Second law of motion

An open train car, with a mass of 2130 kg, coasts along a horizontal track at the speed 2.93 m/s. The car passes under a loading chute and, as it does so, gravel falls vertically into it for 3.03 s at the rate of 465 kg/s.

Why wind makes things that is light make them fly away if wind blow them but not heavy things?

Which formula describes newton's second law of motion?

Which statements regarding the sun's nuclear fusion are true? select all that apply. a. nuclear fusion only occurs in the core. b. hydrogen fuses to form helium. c. fusion in the sun will continue for at least 1 trillion more years. d.

Scientists can find the absolute age of a rock by using a uranium 235 dating b carbon 14 dating c carbon 12 dating d relative dating

What do scalars measure force acceleration magnitude velocity

Why do metals differ in specific heat? why is Al much higher than gold