If a wave has a frequency of 4 Hz and a speed of 24 m/s, which is its wavelength?

How much work is done by a forklift raising a 125 kg object a distance of 10 meters?

What is the correct equation kinetic enery

A circuit maintains a constant resistance. If the current in the circuit is doubled, what is the effect on the power dissipated by the circuit?

A flat circular loop of wire of radius 0.50 m that is carrying a 2.0-A current is in a uniform magnetic field of 0.30 T. What is the magnitude of the magnetic torque on the loop when the plane of its area is perpendicular to the magnetic field

A race car's velocity increases from 2.0 m/s to 60 m/s over a 4.0-s time interval. What is its average acceleration

A brick with a mass of 20 kg and a weight of 196 N is released on a frictionless plane at an angle of 30°. What is the acceleration of the brick? A. 4.9 m/s2 B. 5.6 m/s2 C. 8.5 m/s2 D. 9.8 m/s2

7. What are the 3 types of air resistance and explain them?

Which model of the atom first introduced the idea of a nucleus? Question options: Thomson's model Dalton's model Rutherford's model Bohr's model

A gymnast practices two dismounts from the high bar on the uneven parallel bars. during one dismount, she swings up off the bar with an initial upward velocity of + 4.0 m/s.

Your friend, who is age 15 and has a resting heart rate of 70, wishes to start a jogging program. What would you suggest as a proper starting target heart rate? 138 115 178 155