What is the area of a triangle in terms of pi and R?

Which other type of electromagnetic wave or strip away electrons from the zinc plate and why

Total charge is uniformly distributed on a spherical surface of radius R. The sphere is centered at the origin and spins around the z axis with angular velocity 0. Assume magnetic permeability u, everywhere.

The velocity of Desmond's car changes from 20 meters/second to 10 meters/second. The change happens in 5 seconds. What's the acceleration of the car? a. 4 m/s2 b. 2 m/s2 c. - 2 m/s2 d. - 4 m/s2

What is the sequence of our planets, in order from The Sun

On a planet far, far away, an astronaut picks up a rock. the rock has a mass of 5.10 kg, and on this particular planet its weight is 40.0 n. if the astronaut exerts an upward force of 53.7 n on the rock, what is its acceleration? magnitude

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