The combined effect of mass and velocity is taken into account by a physical quantity called
100
10N
The earth attracts a body with a force of 10N. With what force does that the body attract the earth
100
pressure= thrust/area
How is pressure calculated
100
energy
which of the following is carried by the waves from one place to another
200
velocity= displacement/time
How is acceleration calculated?
200
newton
what is the SI unit of force
200
increases
As we go from the equator to the poles, the value of 'g' is
200
10.8
Density of silver is 10.8*10^3kg/m^3.Calcualte the density of silver if the density of silver if the density of water is 1000kg/m^3
200
5000Hz
Sound waves having the frequency audible by a human being is
300
4 Seconds
A cheetah is the fastest land animal and can achieve a peak velocity of 100km/h upto distance less than 500m. If a cheetah spots his prey at a distance of 100m, what is the minimum time it will take to get its prey.If the average velocity attained by it is 90km/h.
300
5:3
A force of 15N acts seperately on two bodies of masses 3kg and 5kg. The ratio of the accelerations produced in the two cases will be
300
g=0
If g and G stands for acceleration due to gravity and gravitational constant respectively, then at the centre of the earth
300
increases
when area decreases then pressure
300
frequency
Hz is the unit of
400
2m/s^2
A scooter acquires a speed of 36km/h in 5s just after the start. Calculate the acceleration of the scooter
400
acceleration
A force acts on an object which is free to move. If we know the magnitude of the force and the mass of the object, newtons second law of motion enables us to determine
400
20 Seconds
A body is projected upwards with a velocity of 100m/s. It will strike the ground in approximately
400
density= mass/volume
How is density calculated
400
Cycle per second
The frequency of sound waves can be expressed in
500
ms^-2
Deceleration of a body is expressed in
500
reaction
When we kick a stone, we get hurt, due to which one of the following properties of the stonedoes it happen?
500
kg(kilograms)
The weight of a body cannot be expressed in
500
relative density= density of a substance/density of water at 4 degree celsius