The isotope cs-137, which has a half life of 30.7 years, is a radioactive product of nuclear power plants. how long will it take for an amount of the isotope to decay to 1/16 of its original amount

If you were traveling through space and landed on a different planet, how would your mass and weight compare to their values on earth? Why?

Solid of density 8000 kgm weighis 0.8 kgf in air. When it is completely abmerged in a liquid of density 5000 kgm", the weight appears to decrease What is the apparent weight of the solid in the liquid? husna bo.

How hard a person exercises. The speed of workload used in a given exercise period is called?

Consider the example of a positive charge q moving in the negative z-direction with speed v with the local magnetic field of magnitude B in the z-direction. Find F, the magnitude of the magnetic force acting on the particle.

How many board feet of lumber are needed assuming 200 lin. Ft. of 2""x 6"" lumber a. 12 b. 16.67 c. 120 d. 200

A moving object always has energy in its?

What is the volume of a box that is 12 cm long, 2 cm wide, and 3 cm high?

Suppose a child drives a bumper car head on into the side rail, which exerts a force of 4000 N on the car for 0.200 s. (a) What impulse is imparted by this force?

If a soundproof door is almost shut but still leaves a small opening, what wave phenomenon is responsible for someone being able to hear sound from the room while standing by the wall to the side of the opening?

What happens to the force of gravitational attraction if the distance between two objects increase?