The length of a book is 12 cm and its width is 10 cm. What is its area in square meter (m2)?
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A car travels at an average speed of 15 m/s for 20 minutes….
A car travels at an average speed of 15 m/s for 20 minutes. What is the distance covered by the car during this time?
The equation connecting the position and time of a car is:x…
The equation connecting the position and time of a car is:x = 7.5 tWhat is the average speed of this car?
Choose the statement(s) that is/are true of the unit joule (…
Choose the statement(s) that is/are true of the unit joule (J). (i) joule (J) is the unit for measuring work (ii) joule (J) is the unit for measuring energy (iii) joule (J) is the same as N.m
An equation connecting distance x covered by a car in t seco…
An equation connecting distance x covered by a car in t seconds is given by:x = 12.5 tChoose the statement that is true about this relation.
During the time a substance changes from solid phase into li…
During the time a substance changes from solid phase into liquid phase
Choose the statement that best describes momentum of a movin…
Choose the statement that best describes momentum of a moving object.
A graph of position (x) versus time (t) of a moving object s…
A graph of position (x) versus time (t) of a moving object s a straight line with a slope of 3.2 m/s. Which of the following is/are true of this object? (i) The object has a uniform speed of 3.2 m/s (ii) The moving object has no acceleration (iii) The object has a uniform acceleration of 3.2 m/s2
What is the work done by gravity when a 2-kg object falls th…
What is the work done by gravity when a 2-kg object falls through a distance of 2 m?
What is the kinetic energy of 500 g mass moving at 2 m/s?
What is the kinetic energy of 500 g mass moving at 2 m/s?