Pilar rubs two balloon against her hair. Each balloon becomes negatively charged with equation. She holds the balloons 0.7 m apart.

a) What is the force between the two balloons?

b) Is this force attractive or repulsive?

Question 21 options:

1)

0.73 N, repulsive

2)

0.73 N, attractive

3)

0.018. repulsive

4)

0.018, attractive

Abody of weight 60 kg is standing in a lift the lift going upward with a uniform velocity of 4.9 metre per second slows down and stops in two seconds then apparent weight of the body during the slow down process is

Scout feels ill one day before school. her mother puts a thermometer in her mouth and the temperature begins to climb to 100°f. what is happening between the cooler thermometer and scout's body? a) scout's body is applying a force to the particles in the thermometer. b) kinetic energy is being transferred from her mouth to the thermometer. c) potential energy is being lost by the thermometer and gained by scout's body. d) the potential energy stored in foods is converted to mechanical energy to raise the mercury in the thermometer.

An electric clothes dryer has a resistance of 8 ohms. it draws 30 a of current. what is the voltage, in volts, of the wall outlet that it is plugged into?