Physics Answers

Compute the electrostatic force experienced by +4.43 × 10^–18 C charge from the following electric fields: E= 5 673 N/C (Your answer must be in this format : 1.11x10^1 N, -1.11x10^-1 N)

Compute the electric field experienced by a negative test charge given the following conditions in a vacuum: b. Source charge: +6.78 × 10^–15 C Distance from source charge: 4.6 × 10^–19 m (Your answer must be in this format : 1.11x10^1 N/C, -1.11x10^-1 N/C) 

Compute the electric field experienced by a negative test charge given the following conditions in a vacuum: a. Source charge: –4.33 × 10^–12 C Distance from source charge: 2.33 × 10^–5 m (Your answer must be in this format : 1.11x10^1 N/C, -1.11x10^-1 N/C)

The Titanic hit an iceberg estimated to be half her mass. Before hitting the iceberg, the Titanic

was estimated to be going 11.3 m/s. What was the momentum of the Titanic?

You exert an upward force of 6.5N on 1 pound of sugar. Consider the FG on sugar. What is the net force on the sugar?

A man with a mass of 50kg rides a Ferris wheel of radius 10 meters rotating in a vertical circle at a constant speed of 3.0 m/s. what is the normal force on the man from the seat when the man is at its lowest point.

sphere A carries a positive charge 4Q and sphere B is neutral. Initially the spheres are separated by a distance r. The spheres briefly touched each other and move to the initial separation. what is the new charge on each sphere

A ladder leen again a perfectly smooth vertical wall at angle of 30 to the horizontal.,

A load of 800N placed 3/4 of the way up, the ladder if the ladder rest at a rough horizontal surfaces which prellent shipping. Find the magnitude and direction of the reaction between the ladder and the ground.

an electric fan is rotating at 3.0 rad/s when at time t=0 it begins to constantly accelerate at 2.00 rad/s^2. The initial linear acceleration of the edge of the spinning part of the fan has a magnitude of 1.30 m/s^2. What is the radius of the spinning part of the fan?

A heating rated 100W is used to boil off 0.5kg of boiling water. the time to boil the water is ? (specific latent heat of vaporization= 2.30 × 10^6J/kg