A student places a block on a frictionless incline and releases it from rest. The angle of the incline is increased, and the acceleration of the block is measured. (a) Draw a free-body diagram for the block on the incline.(b) Explain how the angle of the incline affects the acceleration of the block.(c) Describe how you could experimentally determine the gravitational acceleration gg using this setup

A 10.0 kg10.0\, \text{kg} box is pulled across a horizontal surface with a force of 50.0 N50.0\, \text{N} applied at an angle of 30∘30^\circ above the horizontal. The coefficient of kinetic friction is 0.250.25. (a) Draw a free-body diagram for the box.(b) Calculate the normal force acting on the box.(c) Find the net force acting on the box.(d) Determine the acceleration of the box.

A square loop of wire is pulled at constant speed out of a uniform magnetic field that points into the page. (a) Describe the direction of the induced current in the loop.(b) What causes this current to be induced?(c) If the speed of the loop is increased, how does that affect the magnitude of the induced current?

A parallel-plate capacitor is connected to a battery and becomes fully charged. The battery is then disconnected. (a) Explain what happens to the stored energy if the plates are moved farther apart.(b) What happens to the voltage across the plates?(c) Would your answers change if the battery remained connected? Explain why or why not.

A 6.0 μF6.0\,\mu\text{F} capacitor is connected to a 9.0 V9.0\,\text{V} battery.What is the charge stored on the capacitor?

A +2.0 μC+2.0\,\mu\text{C} charge is placed in a potential of 120 V120\,\text{V}.What is its electric potential energy in joules?

Two point charges are located on the x-axis: q1=+3.0 μCq_1 = +3.0\,\mu\text{C} at x=0 mx = 0 \,\text{m} q2=−2.0 μCq_2 = -2.0\,\mu\text{C} at x=0.40 mx = 0.40\,\text{m} (a) Calculate the electric potential at point PP located at x=0.20 mx = 0.20\,\text{m}.(b) A +1.0 μC+1.0\,\mu\text{C} test charge is placed at point PP. What is its potential energy?(c) How much work would be required to bring the test charge from infinity to point PP?

A charged particle enters a uniform magnetic field moving perpendicular to the field lines. (a) Describe the shape of the particle’s path and explain why it follows that path.(b) How would increasing the speed of the particle affect the motion?(c) What happens to the particle’s motion if its charge is reversed?

A 10 Ω10\,\Omega resistor has 3.0 A3.0\,\text{A} flowing through it.How much power does it dissipate?

A 0.75 m0.75\,\text{m} long wire carries 4.0 A4.0\,\text{A} perpendicular to a 0.60 T0.60\,\text{T} magnetic field.What is the magnetic force?