A student practicing for track ran 800 meter in 110 seconds. what was her speed?

How do you find the net force acting on an object? a) find the largest force on the object b) add all the force vectors c) find the reaction force d) assume there is no friction

Which scientist saw the atom as a positively charged sphere with negative particles (electrons) embedded within?

Which of the following statements is incorrect? Select one: a. Ionic bonding results from the transfer of electrons from one atom to another. b. Dipole moments result from the unequal distribution of electrons in a molecule. c.

How do the causes of surface and deepwater currents differ

Which type of volcano has lava that primarily consists of basalt

What techniques allow us to identify the presence of different elements?

A small piece of dust of mass m = 4.1 µg travels through an electric air cleaner in which the electric field is 466 N/C. The electric force on the dust particle is equal to the weight of the particle.

a race car driver must average 203 km/h over the course of a time trial lasting ten laps. If the first nine laps were done at 199.0 km/h what average speed must be maintained for the last lap?

If a person paddling only on the left side of a boat. In which direction will the boat go?

What is the density of cylindrical (coin) object if it has a mass of 0.69 kg, and a radius of 0.03 m, along with a thickness of 0.003 m?