If v = 10, a = 2 and t = 4, what is u
v = u+at
u=v-at
u=10 - (4*2)
u=2
NC
Related Physics GCSE answers
All answers ▸A ball of mass 1kg is rolled down a hill of height 10m. At the bottom it collides with another ball of mass 5kg. What speed does the second ball move away with? You can assume the collision between the balls is elastic.
Astronauts on the ISS orbit Earth 16 times a day at a height of 400km above the surface. Given that the radius of Earth is approximately 6400km, how fast are the astronauts travelling?
What is terminal velocity and what causes it?
According to Newton's third law, every action has an equal and opposite reaction. Why then does a box move when I push it? Shouldn't the two opposing forces cancel out to a zero net force?