Which of the following is the correct SI unit measuring amount of material contained in a solid sphere

Kilograms

Tons

Ounces

Pounds

Which waves in the electromagnetic spectrum are considered high energy waves? radio waves and microwaves X-rays and gamma rays sound waves and light waves microwaves and X-rays

Explain newton's laws of motion and give an example of each

Ferns that eject spores generally do so in pairs, with two spores flying off in opposite directions. The structure from which the spores are launched is quite lightweight.

Compared to the density of liquid water, the density of an ice cube is

Radar devices are used by law enforcement to be sure that individuals are driving safely. they tell the officer how fast the vehicle is traveling at that specific moment in time. the radar device determines the vehicle's instantaneous speed.

A stunt car with a mass of 1000 kg crashes into a tree on a movie set during the collision acceleration of the car with 3 m what was the force of impact of the collision on the car

A circuit with a current of 400 amp has several lights that have a total resistance equal to 30 ohms. Find the voltage.

How many neutrons does element x have if it's atomic number is 35 and it's mass number 71

The potential difference between the terminal of an electrical heater is 60v when it draw a current 4A fron the source. What current will the heater draw if the potential difference is increased to 120v?

Which answer choice best explains why nuclear reactions release more energy than chemical reactions? Electrostatic forces of repulsion are thousands of times stronger than gravitational forces.