Other Physics Answers

Determine the potential at a point 0.50 m (a) form a +20 μC point charge, (b) form a -20 μC point charge.

Which of the following is the best definition for a hysteresis loop in materials science?

A) A non-linear force-extension curve for a material.

B) A non-linear stress-strain curve for a material.

C) A situation where the material response differs between loading and unloading.

D) Any situation showing a time-dependent response.

1. A bullet is fired at an angle of 30degrees to the horizontal with a velocity of 150m/s calculate the time the bullet takes to attain it's maximum height

A force of 230N exist between two identical point charges of 56uC. Calculate the distance of the two point charge.

1. A 10uC point charge is separated by the distance of 28cm from 18uC charge. Calculate the magnitude and electrical force between two charges.

2. The electrical force between two point charges with the magnitude of 300uC and 500uc is 24N. How far apart are two charges?

63. How much work is done by 15 kW engine during 3.5 min?

A particle moves

along the X-axis according to the equation (t) = 2.0 - 4.0r m.

What are the velocity and acceleration at t= 2.0 s and t= 5.0 s?

After an airplane takes off, it travels 1 km north, and then 2 km east. How far and in what direction is it from the take-off point?

A 1.5ton automobile crashed into a wall at a speed of 10mi/h. the car moved 5in. before being

brought to rest. What was the average force exerted on the wall be the car?

A 1.5ton automobile crashed into a wall at a speed of 10mi/h. the car moved 5in. before being

brought to rest. What was the average force exerted on the wall be the car?