3.
(a) A cockroach covers a distance of 30 m in 1.5 minutes. What is the speed of the cockroach?
(b) Find the odd one out. Give a reason for your choice :
(i) length, time period, frequency, acceleration.
(ii) speed, velocity, acceleration, mass.
(c) What will happen to the time period of a simple pendulum, if its bob's mass is doubled?
Answers
Answered by
2
Answer:
his speed is 30/1.5=20m/s
Answered by
0
Answer:
distance by time is equals speed so
a__0.2m
b__length cause it is a measurement
others are somehow related to force and pressure
b2__mass cause others are distances and change s in force pressure and speed... mass denotes weight
c__it will slow down (is what I think)
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