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A car moving along straight road at 30m/s slows uniformly to a speed of 10m/s in a time of 5.0s. Determine
(a) acceleration of the car
(b) distance it moves during the third second
A stone is thrown straight upwards and it rises to a maximum height of 20m. With what speed was it thrown?
A car is traveling at 20.0m/s. When the driver slams on the brake and bring it to a straight line stop in 4.2s. What is the magnitude of its average acceleration?
Generalize the expression for the number of system states that you will get, Ω, for N number of six-sided dice.
Calculate the change in temperature of an 900mm aluminium bar, that has increased in length to 901.035mm.
α = 25 x 10-6k-1
A boy who is riding a bicycle moves with an initial velocity of 5 m /s. Ten
seconds later, he is moving at 15 m/s. what is his acceleration?
Calculate the change in length of a 100mm aluminium bar that has increased in temperature by 55⁰C.
Take the coefficient of expansion to be 25 x 10-6k-1
100 cm of brass increased by 0.18 cm when its temperature rises by 95°C. What is the linear expansivity of brass?
An iron rod has a length of 70m when the temperature is 30°C. By how much will it expand when the temperature rises to 40°C (Linear expansion of iron rod = 1.2×10^-5 per kelvin)
An iron rod has a length of 70m when the temperature is 30°C. By how much will it expand when the temperature rises to 40°C (Linear expansion of iron rod = 1.2×10^-5 per kelvin)
