Which of the following is contained in a pull start lawnmower?

a pulley and a wheel and axle

a wheel and axle and an inclined plane

a pulley and a wedge

a wheel and axle and a block and tackle

A current of 6.0 amps passes through a motor that has a resistance of 5.0 ohms. calculate the power

Which statement correctly compares the motion of atoms in liquid mercury and solid copper?

Which constellation is marked by a W or M? a. Cassiopeia b. Draco c. Ursa Minor d. Ursa Major

Mechanical energy is conserved in the presence of which of the following types of forces Select all that apply. a) frictional b) magnetic c) electrostatic d) gravitational

A student dissolves 24.2 g of NaCl in 500 mL of water. Another student dissolved 24.2 g of KI in 500 mL of water. Why do the two solutions have different molarities? a) The volumes of the solutes differ. b) The compounds have different molar masses.

You push a friend sitting on a swing she has a mass of 50 kg and accelerates a rate of 4 m/s2 find the force you exerted

What must be true about tow objects if heat is flowing between them?

Will a 2 liter bottle of coke have a different density than a one liter bottle of coke?

A positive rod is placed to the left of sphere A, and the spheres are separated

Why do clothes often cling together after tumbling in a clothes dryer?