Other Physics Answers

Solve the electric potential 6.6✕10 -14 m from a fragment that contains 10 protons.

At what distance would the perspective between two electrons have magnitude 2.00 N? between two protons?

Find the distance and angle of a vector if the x-component is 38.37 m and the y-component is 61.30m. 

A force of 60 N is applied to the end of our range 12 cm long. How much torque is produced? What is the direction of the torque?

The length of a bicycle pedal arm is 0.152 m, and a downward force of 111 N is applied to the pedal by the riders foot. What is the magnitude of the talk about the bed alarm five on point when the arm makes an angle of (a) 30°, (b) 90°, and (c) 180° with vertical?

A stretched wire emits a fundamental note of 256Hz keeping the stretching force constant and reducing the length of wire by 10cm, the frequency becomes 310Hz . Calculate the original length of the wire

Mattias stands in front of a cliff. He shouts "Hello". After 0.4 s here he echoes.

 How far from the cliff is Mattias? Round to ten meters.

A bimetallic strip of iron and Brass is 20mm long at a temperature of 50°C if the strip is uniformly heated to 750°C,find the difference in length between the iron and the Brass (alpha=12×10^-6 _ k-1, alpha=Brass 19×10^-6k-1

A student sees a flash of lightning between a cloud and the Earth. The student estimates the time interval between seeing the flash and hearing the sound of thunder. The time interval is about 6.5m/s. Show that the distance to the thunder cloud is about 2 km.

A moving object slows down its motion from 12m/s to rest at a distance of 20m. Find the acceleration of the object(assumed constant)inside the barrel of the rifle.