Which type of force is used by your legs to pedal a bicycle?

Gravity

Friction

Strong push

Weak pull

A slingshot fires a pebble from the top of a building at a speed of 14.7 m/s. The building is 36.0 m tall. Ignoring air resistance, find the speed with which the pebble strikes the ground when the pebble is fired in the following directions.

Describe the difference between a scientific law and a scientific theory

Low air pressure systems are usually associated with which type of weather? cold and dry hot and dry cloudy and wet clear and dry

When a magnet is moved through a coil of wire, an electric current is generated in the coil because

Which of the following does not cycle into the atmosphere? a. the carbon cycle b. the phosphorus cycle c. the nitrogen cycle d. the oxygen cycle

PV = nRT, is the a. equation of state of an ideal gas b. theorem of equipartition of energy c. second law of thermodynamics

Which conducting electricity has the most harmful effects?

Which is the farthest known planet from the sun? a. Jupiter b. Saturn c. Uranus d. Neptune

Laser light of wavelength 470 nm shines on a pair of slits at normal incidence, producing a pattern of maxima on a large screen 92.0 cm away from the slits. The second order maximum is observed to be 31.7 cm away from the central maximum. a.

What does the slope of a line of best fit represent