Question

A man is dropped from the top of Hill. If height of hill is 2000m. and the value of "g" for this region

is 10m/s2

. Then give correct option for following questions. [Ques. No. 1 to 4]

1. How long does it take to fall 2000m.? [1]

(a) 10 Sec (b) 20 Sec (c) 9.8 Sec (d) 2 Sec

2. How fast does it move at the end of this fall? [1]

(a) 22.5m/s (b) 200m/s (c) 10.5m/s (d) 20m/s

3. What is its acceleration after 10 sec.? [1]

(a) 9.8m/s2

(b) 5m/s2

(c) 10m/s2

(d) 2.5m/s2

4. The weight of a body on the surface of the earth is 64N. What will be weight of this body on a Jupiter

planet whose mass is half that of the earth and radius is 2/3 times that of the earth. [1]

(a) 49N (b) 64N (c) 90N (d) 72N​

Answer 1

Answer:

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