A 63. 0 kg astronaut is on a spacewalk when the tether line to the shuttle breaks. The astronaut is able to throw a 10. 0 kg oxygen tank in a direction away from the shuttle with a speed of 12. 0 m/s, propelling the astronaut back to the shuttle. Assuming that the astronaut starts from rest, find the final speed of the astronaut after throwing the tank.

The volume of a cylinder is 72 tt cm3. if the radius is 3 cm, what is the height of the cylinder?

Which of these is not a function of shock absorbers?

An ecosystem is shown in the illustration. assume that human activities have led to a decrease in the number of eagles. a virus attack on rabbits has led to a decrease in their population in the ecosystem. which two sentences describe likely effects on the ecosystem? 1. there’s an increase in the number of snakes and insects and a decrease in the number of frogs. 2. there’s an increase in the number of snakes and insects, and the storks face increased competition for food. 3. there’s an increase in the number of storks and a decrease in the number of snakes and insects. 4. there’s an increase in the number of frogs and a decrease in the number of storks and insects. 5. there’s a decrease in the number of snakes, insects, and frogs.