A 64 kg girl is suspended motionless from a bar which hangs from the ceiling by two ropes. if both ropes are pulling with the same amount of force, how much force does each rope exert

How long does it take to freeze ice cubes?

Studies show that the amount of heat stored in the ocean is increasing. what effect might this have? a. the water cycle might disappear. b. gyres might change direction. c. low tides might disappear. d. ocean currents might change course.

The filter reaches therminal velocity with zero paper clips (T or F)

Scientists have observed that Earth's tectonic plates move in predictable directions. What is the cause of this observation?

A car travels west at 250 km in 5 hours what is the cars velocity

How do a joule a watt and a Newton relate to each other

Say you want to make a sling by swinging a mass M of 1.9 kg in a horizontal circle of radius 0.042 m, using a string of length 0.042 m. You wish the mass to have a kinetic energy of 15.0 Joules when released.

List three ways that electromagnetic radiation is used to improve our everyday lives.

Suppose an electron and a proton move at the same speed. which particle has a longer de broglie wavelength? suppose an electron and a proton move at the same speed.

The apparent displacement of an object as it is viewed from two different positions is known as A. parallax. B. a parsec. C. a light-year. D. an arcsecond.