Eratosthenes used what object to determine the size of Earth? A) Pyramids in Giza, B) Tower in Babel, C) Sphinx in Alezandria, D) Well in Alexandria

A hollow sphere of radius 1.88 m is in a region where the electric field is radial and directed toward the center of the sphere. If the magnitude of the field at the surface of the sphere is 22.

What are similiarities between young modulus bulk modulus and shear modulus

Two parallel plates have equal and opposite charges. When the space between the plates is evacuated, the electric field is E = 3.50*105 V/m. When the space is filled with dielectric, the electric field is E = 2.30*105 V/m. 1.

What would happen to the speed of an object as it travels farther without any additional speed?

A 93 kg zebra is traveling 13 m/s east. What is the zebra's momentum?

A football travels 25 m in 2.5 seconds. What is the speed of the football?

A 25 kg ball is thrown into the air when thrown it's going 10 m/s calculate how high it travels

As part of a circus performance, a man is attempting to throw a dart into an apple which is dropped from an overhead platform. Upon release of the apple, the man has a reflex delay of 215 milliseconds before throwing the dart.

A train travels 90 kilometers in 1 hour, and then 82 kilometers in 5 hours. What is it's average speed?

3. A hydraulic lift is used to jack a 950-kg car 45 cm off the floor. The diameter of the output piston is 23 cm, and the input force is 375 N. a. What is the area of the input piston? (10pts) b.