Question

10
Q.107. Periodic-time of satellite revolving
around the earth is
(os density of earth)
(A) Proportional to
P
(B) Proportional to I
c) Proportional to p
(D) does not depend on p
Q.108. A pandubbi sends a sonal signal to
locate a body and receives the echo
after 5 s. If the velocity of sound is
340 m/s. What is the distance of the
body?
(A) 0.85 km (B) 1.7 km
(C) 0.425 km (D) 4.25 km​

Answer 1

Answer:

please mark your questions properly

Answer 2

Answer:

1. D

2.C

Explanation:

but I'm not very sure my dear