What is the speed of a periodic wave with a frequency of 4.5 Hz and a wavelength of 0.9m

The activation energy of a certain reaction is 37.2 kJ/mol. At 20 ∘C, the rate constant is 0.0130 s-1. At what temperature would this reaction go twice as fast? Express your answer numerically in degrees Celsius

1. Many people make the mistake of believing that when a larger defensive player collides with a wide receiver who is making a catch in the air, the larger defender must be exerting a bigger force on the smaller receiver, leading to a greater chance

A certain compact disc (CD) contains 783.216 megabytes of digital information. Each byte consists of exactly 8 bits. When played, a CD player reads the CD's information at a constant rate of 1.1 megabits per second.

How many grams of 2Na+Cl2 would it take to make 4 grams of table salt

Blocks A and B are identical metal blocks. Initially block A is neutral, and block B has a net charge of 7.0 nC. Using insulating handles, the blocks are moved so they touch each other.

perature is 0◦F. How much taller is the building when the temperature is 107◦F? The linear expansion coefficient of steel is 1.1 * 10-5 (◦C) - 1.

A weightlifter lifted 800 Newtons to a height of 2.5 meters. What is the power output if this was done in 1.22 seconds?

What conditions must be present for a translational and rotational equilibrium of a rigid body?

In objects motion will not change is the force is acting on the object are blank

How fast or slow an object is moving and in what direction