When a glass rod is rubbed with silk and becomes positively charged,

a. electrons are removed from the rod.

c. protons are added to the silk.

b. protons are removed from the silk.

d. the silk remains neutral.?

Which electric component provides energy to the circuit of a flashlight?

Streak is a reliable identifier of a mineral. true or false

What is identity Property

How long will it take a train to travel 765 miles at 85 miles per hour?

Where would a new neuron come from

Any good and bad insulators of thermal energy, hot or cold, and why?

You create a transformer by wrapping wire around an iron nail. The number of turns are: Primary (500); Secondary (2500). The Primary voltage is 3.00 V. The Secondary current is 200 mA.

A 90kg cannon fires 100kg shell with muzzle velocity of 75m/s. Calculate the recoil velocity of the cannon relative to the ground

The planet XYZ traveling about the star ABC in a circular orbit takes 24 hours to make an orbit. Assume that the orbit is a circle with radius 89 comma 000 comma 00089,000,000 mi. Find the linear speed of XYZ in miles per hour.

Your heart pumps 80 g of blood with each beat. The blood starts from rest and reaches a speed of 0.60 m/s in the aorta. If each beat takes 0.16 s, the average force exerted on the blood is a. 3.0" 102 N b. 0.22 N c. 0.16 N d. 0.30 N e. 0.98 N