A baseball is hit almost straight up into the air with a speed of 21 m/s. how much time does it take for the package to reach the ground?

1. (4 pts) We use Fst to measure the number of migrants per generation (Nm) by assuming a balance between the effects of a differentiating evolutionary force and a cohesive evolutionary force. Name those two forces.

If the mass of a material is 76 grams and the volume of the material is 14 cm3, what would the density of the material be?

The table shows information about four students who are running around a track. Which statement is supported by the information in the chart? Autumn has more kinetic energy than Chiang. Mohammed has less kinetic energy than Autumn.

A train is moving with a speed of 120km/hr. How much time will it take to cover a distance of 12 km

What is the average emf induced in a circular wedding ring of diameter 2.3 cm if the ring is at the center of the mri magnet coils and the original magnetic field is perpendicular to the plane that is encircled by the ring?

A certain gas is present in a 15.0 l cylinder at 2.0 atm pressure. if the pressure is increased to 4.0 atm the volume of the gas decreases to 7.5 l.

Choose all the answers that apply. To qualify as a planet, a celestial object must: have an irregular shape revolve around the sun orbit in a clear area have enough gravity to have a spherical shape have a satellite

Oxygen makes up the largest part of living cells at 65%. What is the percentage of the second-most abundant element in living cells?

Acceleration is defined as the rate of change for which of the following? A. time B. velocity C. position D. displacement

What are 3 characteristics of a tornado?