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What is the magnitude of gravitational force due to the interaction of 8kg and 10kg mass particle at 5 cm distance between them?
What is the distance between 3kg and 5kg mass particle if the gravitational force on 3kg due to 5kg particle is 5.12x10^-4 N?
If the radius of Earth is 6,378 km, what is the mass of Earth?
What is the magnitude of gravitational force due to the interaction of 1000g and 2000kg mass particle at 2 cm distance between them?
What is the distance between 3kg and 5kg mass particle if the gravitational force on 3kg due to 5kg particle is 5.12x10^-6 N?
A projectile is fired at an angle 15 ° from a gun that is 45 m above the flat ground, emerging
from the gun with a speed of 300 m/s.
(a) How long does the projectile remain in air?
(b) At what horizontal distance from the firing ground does it strike the ground.
(c) What is the velocity of the projectile when it hits the ground?
For the vectors 𝑟⃗1 = 2𝑖̂− 3 𝑗̂+ 4𝑘̂ 𝑎𝑛𝑑 𝑟2̂ = 4𝑖̂+ 2𝑘̂
(a) Find the angle between them.
(b) Find the cross-product of the vectors.
A rock is dropped from a 300 m –high cliff. How long does it take to fall (a) the first 100 m
and (b) the last 50 m.
A projectile is fired horizontally at a speed of 8 m/s from an 80-m-high cliff. Find (a) The velocity just before the projectile hits the ground.
a bullet of mass 0.100f is moving horizontally with a momentum of 0.0980kg m/s. express this momentum in g cm/s
