please don't use any public sources, thank you.

1. A bicycle has a momentum of 35 kg. m/s. What momentum would the bicycle have if it had ... a. ... twice the mass and was moving at the some speed? the same mass and was moving with twice the speed? c. .. one-half the mass and was moving with twice the speed? d. .. the same mass and was moving with one-half the speed? . three times the mass and was moving with one-half the speed? . ... three times the mass and was moving with twice the speed? 2. A car with a mass of 800 kg is moving with a speed of 20m/s. Calculate the kinetic energy of the cor 3. A cyclist and bike have a total mass of 100 kg and a speed of 15 m/s. Calculate the kinetic energy. A crane lifts a 75kg mass a height of 8 m. Calculate the gravitational potential energy gained by the moss 5. A ball with a mass of 500g is lifted onto a shelf which is 1 5m above the ground. Calculate the gravitational potential energy gained by the boll