What is cosmic background radiation?

Because of barriers and obstructions, you can see only a tiny fraction of a standing wave on a string. You do not know, for instance, how long the string is.

Multiply 0.00032 cm by 4.02 cm and express the answer in scientific notation

What is the weight on earth of a girl with a mass of 34kg

Which best describes the motion of the object between 1 and 4 seconds? The object has decreasing acceleration and increasing velocity. The object has positive acceleration and eventually stops.

How would you describe the interaction between opposite (N-S or S-N) magnetic poles? They repel each other. They are attracted to each other. They create a magnetic field from S to N. There is repulsion between N and S poles.

How much uninterrupted time should you set aside to do homework?

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

How do crabs support and protect themselves without a skeleton

the lift raises a car of mass 50 kg of 2.1 M that uses a force of 8330 n and takes four seconds to Raise the car what is the power of the lift

If a star is moving away from you how does it affect the wavelength of the light waves that reach you?