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Define velocity
A man of mass 70kg climbed up a stair case of height 10m in 20seconds. Calculate it's power. (g=10m/s²)
A car starting from rest , accelerates In a straight line path at a constant rate of 2.5 m/s^2. How far will the car travel in 12 seconds? A.180 m B.120 m C.30 m D.15 m E.4.8 m
A car move at a constant velocity of 20m/s for 100seconds and then accelerated uniformly to a velocity of 30m/s over 15 seconds. Calculate the distance covered during the motion
Water heater is rated 1200w, 220v. Calculate
(i) it's resistance
(ii) the cost of operating 5 water heaters for 5 hours.(1kwh)=$34.00
A car start from rest and accelerate uniformly to a velocity of 20m/s in 20seconds. This velocity is then maintained for 30secs before the car discellerate to rest in 10secs. Sketch the graph of the motion and calculate the total distance travelled.
A car , starting from rest , accelerates in a straight line path at a constant rate of 2.5 m/s^2. How far will the car travel in 12 seconds? A.180 m B.120 m C.30 m D.15 m E.4.8 m
Explain how constructivism as a learning theory can be applied in
Technology Education.
A partly full paint can has 2,75 liters of paint left in it. What is the volume of the paint in cubic centimetres? A.2.75×10^-3 cm^3 B.2.75 cm^3 C.275×10^-3 cm^3 D.2.75×10^3 cm^3 E.27.5×10^3
To determine horizontal or vertical distance by sextant.
