If the tension in the string is 75N, the angle is 64, and the period is 2s, calculate:

a) the mass of the pendulum

b) the radius of the horizontal circle

Displacement is the slope of a velocity vs. time graph. True or false

Is a pressure force a body force or surface force?

Gold has a density of 19.3 grams per cubic centimeter. what is the density of gold in metric tons per cubic meter?

While you are sitting on a chair at the edge of a 1.8-m-deep swimming pool, your eyes are 1.4 mabove the surface of the water. You see an acorn on the bottom of the pool at a 45? angle below the horizontal.

What does the variable a meand in physics

When the particle with charge q reaches the center of the original square, it is, as stated in the problem, momentarily at rest. Is the particle at equilibrium at that moment?

How does the bohr model represent electrons around the central nucleus why think of the spectra?

Refrigerated air reads 68°f and appears to be climbing: food is at 41°f. what should you do

Which piece of equipment would give the MOST accurate measurement of 45 mL of a liquid? A) A 100 mL graduated cylinder B) A 50 mL graduated cylinder C) A 100 mL beaker D) A 50 mL flask

A 54-kg jogger is running at a rate of 3m/s. What is the kinetic energy f the jogger