Calculate the speed of a swimmer who swims exactly 140 meters in 70 seconds

A pendulum is swinging back and forth with a period of 2.0 seconds here on Earth. This pendulum is then brought to the Moon. What will happen to the period of the pendulum, assuming everything else about it remains exactly the same? Explain.

Explain the mathematical equation for KVL (The voltage of a circuit through each component in that circuit is proportional to the resistance).

Why a tractor's big tyres stop it sinking too far into soft soil?

Stellar evolution is the life cycle of a star. A cycle suggests that upon death of a star, another star is born. How is this possible? (A) Stars never really die. (B) The death is a black dwarf star.

What is the rate of change in a objects position?

On october 15, 2001, a planet was discovered orbiting around the star hd 68988. its orbital distance was measured to be 10.5 million kilometers from the center of the star, and its orbital period was estimated at 6.3 days.

A container of rocks with a mass of 65.0 kilograms is brought back from the moon's surface where the acceleration due to gravity is 1.62 meters per second2. what is the weight of the container of rocks on earth's surface?

A curved, transparent object used to refract light

Describe how two plates move in relation to each other along divergent plate boundaries?

Question 6 As main sequence stars age, their temperature becomes cooler. O True O False