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In quick succession, a large number of balls are thrown up vertically in such a way that the next ball is thrown up when the previous ball is at the maximum height. If the maximum height is 5
19
Sep
In quick succession, a large number of balls are thrown up vertically in such a way that the next ball is thrown up when the previous ball is at the maximum height. If the maximum height is 5 a large number of balls are thrown up vertically in such a way that the next ball [...]
A satellite moves round the earth in a circular orbit of radius R making one revolution per day. A second satellite moving in a circular orbit, moves round the earth one in 8 days. The radius of the orbit of the second satellite is
19
Sep
A satellite moves round the earth in a circular orbit of radius R making one revolution per day. A second satellite moving in a circular orbit, moves round the earth one in 8 days. The radius of the orbit of the second satellite is A satellite moves round the earth in a circular orbit of [...]
In the diagram shown, the reading of voltmeter is 20 V and that of ammeter is 4 A. The value of R should be ( consider given ammeter and voltmeter are not ideal )
19
Sep
In the diagram shown, the reading of voltmeter is 20 V and that of ammeter is 4 A. The value of R should be ( consider given ammeter and voltmeter are not ideal ) In the diagram shown the reading of voltmeter is 20 V and that of ammeter is 4 A. The value of [...]
A body is thrown up with a velocity 100 m/s. It travels 5 m in the last second of its journey. If the same body is thrown up with a velocity 200 m/s, how much distance (in metre) will it travel in
19
Sep
A body is thrown up with a velocity 100 m/s. It travels 5 m in the last second of its journey. If the same body is thrown up with a velocity 200 m/s, how much distance (in metre) will it travel in A body is thrown up with a velocity 100 m/s. It travels 5 [...]
Which of the following quantities does not depends upon the orbital radius of the satellite ?
19
Sep
Which of the following quantities does not depends upon the orbital radius of the satellite ? Which of the following quantities does not depends upon the orbital radius of the satellite ? September 19, 2020 Category: Arihant Physics by D.C Pandey , Chapter 10 - Gravitation , Volume 1 ,
A balloon rises from rest on the ground with constant acceleration 1 m/s^2. A stone is dropped when the balloon has risen to a height of 39.2 m. Find the time taken by the stone to
19
Sep
A balloon rises from rest on the ground with constant acceleration 1 m/s^2. A stone is dropped when the balloon has risen to a height of 39.2 m. Find the time taken by the stone to A balloon rises from rest on the ground with constant acceleration 1 m/s^2. A stone is dropped when the [...]
The resistance of a galvanometer is 90 ohm. If only 10 % of the main current may flow through the galvanometer, in which way and of what value , a resistor is to be used
19
Sep
The resistance of a galvanometer is 90 ohm. If only 10 % of the main current may flow through the galvanometer, in which way and of what value , a resistor is to be used a resistor is to be used in which way and of what value The resistance of a galvanometer is 90 [...]
Two satellites A and B go round the planet P in circular orbits having radii 4R and R respectively. If the speed of the satellite A is 3v, then the speed of satellite B will be
19
Sep
Two satellites A and B go round the planet P in circular orbits having radii 4R and R respectively. If the speed of the satellite A is 3v, then the speed of satellite B will be then the speed of satellite B will be: Two satellites A and B go round the planet P in [...]
A cat, on seeing a rat at a distance d = 5 m, starts with velocity u = 5 m/s and moves with acceleration alpha = 2.5 m/s^2 in order to catch it, while the rate with acceleration beta starts from rest.
19
Sep
A cat, on seeing a rat at a distance d = 5 m, starts with velocity u = 5 m/s and moves with acceleration alpha = 2.5 m/s^2 in order to catch it, while the rate with acceleration beta starts from rest. A cat on seeing a rat at a distance d = 5 m [...]
In a car race, car A takes 4 s less than car B at the finish and passes the finishing point with a velocity v more than the car B. Assuming that the cars start from rest and travel with
19
Sep
In a car race, car A takes 4 s less than car B at the finish and passes the finishing point with a velocity v more than the car B. Assuming that the cars start from rest and travel with car A takes 4 s less than car B at the finish and passes the [...]