A woman wearing high-heeled shoes stands on a wooden floor. Her total weight is 480N and acts equally on each foot.
Sometimes all this weight acts on the heels of her shoes. What is the pressure under her heels?
A rider with his bike, weighing a total of 300 kg jumps off a sloped ramp with a speed of 5.5 m/s. How high will the biker jump with this speed?
3 answers
At what speed should a ball of mass 2 kg be rolled in order to reach the other side of a 6 m high slope?
1.50 m
1 answer