a wave is travels 78 m in 3.23sec. if that wave has a wavelength of 0.5m then what was its frequency

A force applied to an object causes the object to accelerate at 2 m/s^2. suppose another object with twice the mass is applied twice the force. the acceleration of this second object is

Which statement is true according to Newton's first law of motion?

N object has a charge of - 2.0 μc. how many electrons must be removed so that the charge becomes + 2.2 μc?

A roller coaster's velocity at the top of a hill is 10m/s. two seconds later it reaches the bottom of the hill with a velocity of 26 m/s. what was the acceleration of the coaster?

What is the only truly liquid layer of the earth? A) inner core B) outer core C) lower mantle D) Upper Mantle

On arrival at a vehicle collision, you observe a small fire in the engine compartment. A bystander is attempting to smother the fire with a jacket as you approach with an A-B-C extinguisher from your ambulance.

Gertrude writes a short story in which the main character must enter a nuclear-powered spaceship's engine room that has lost its shielding in order to prevent the engine from flooding the rest of the ship with radiation.

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