What is 143 rounded to the nearest 10

Calculate the acceleration of an airplane that starts at rest and reaches a speed 45m/s in 9 seconds

How much heat energy is required to raise the temperature of 5 kilograms of coal from 20°C to 220°C? A) 314 J B) 4,187,000 J C) 1,314,718 J D) 6,573 J

if the accepted thickness of aluminum foil is 1.5x10^5 is your answer percise, accurate or both. explain your answer

Explain what happens inside the radiation zone that causes the photon to take so long to exit the sun

ADP binds to platelets in order to intiate the activation process. Two binding sites were identified on platelets, one with a Kd of 350 nM and one with a Kd of 7.9 µM.

Chemical analysis of the oxygen isotopes in foraminifera shells allow scientists to create a climate record like the one shown here.

In general, use one word to describe the direction of the velocity vector when a vehicle is traveling in a circle, regardless of the direction of travel.

Two positive charged particles will?

A freight train has a mass of 1.5 X 10^7 kg. If the locomotivecan exert a constant pull of 7.5 X1^5 N, how long does it take toincrease the speed of the train from rest to 80 km/h?

Select each correct answer. If an object is moving, the amount of kinetic energy it has directly depends upon which of the following factors? the object's density the object's mass the object's shape the object's velocity