1. The mass of the body on earth is 60kg, what is its weight on the earth and on the moon. 2. The mass of the earth is 6x1024 kg and that of the moon is 7.4x 1022kg. If the distance between the earth and the moon is 3.84x105km. Calculate the force exerted by the earth and the moon. G=6.67x10- 11 Nm2 kg-2 3. A car falls of a ledge and drops to the ground in 0.5 s. Let g= 10 ms-2 a. What is its speed on touching the ground? b. What is its average speed during 0.5s? c. How high is the ledge from the ground? 4. A ball is projected vertically upwards with an initial velocity ‘u goes to a maximum height ‘h’ before touching the ground. What is the value of ‘h’ ?
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you take how many kg one side a d I'm in onside and calculate you get answer okay bye bye
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