Categories
- All categories
- General Knowledge (327)
- Abbreviation (8)
- Mathematics (200)
- Physics (570)
- Chemistry (179)
- Biology (260)
- History (226)
- Geography (65)
- Economics (166)
- Technology (43)
- English (11)
- Essay (2)
- Civics (7)
Most popular tags
Related Questions
- A stone of $1 \mathrm{~kg}$ is thrown with a velocity of $20 \mathrm{~m} \mathrm{~s}^{-1}$ across the frozen surface of a lake and comes to rest after travelling a distance of $50 \mathrm{~m}$. What is the force of friction between the stone and the ice?
- An object of mass $100 \mathrm{~kg}$ is accelerated uniformly from a velocity of $5 \mathrm{~m} \mathrm{~s}^{-1}$ to $8 \mathrm{~m} \mathrm{~s}^{-1}$ in $6 \mathrm{~s}$. Calculate the initial and final momentum of the object. Also, find the magnitude of the force exerted on the object
- For how long should a force of 50 N act on a body of 10 kg so that it acquires a velocity of 100 m/s?
- Maradona was standing on the cliff, 825 m from the point, from where the gun was fired. After how long he will hear the echo? Speed of sound is taken as 330 m/s.
- An aeroplane plane is flying in a horizontal direction with a velocity of 360 km h^{-1} and at a height of 1960 m
- What is the momentum of a man of mass 75 kg when he walks with a uniform velocity of 2 m/s?
- A stone is released from the top of a tower of height 19.6 m. Calculate its final velocity just before touching the ground?
- Calculate the work done in lifting 200 kg of water through a vertical height of 6 m (g = 10 m/s^2)
- A scooter moving at a speed of 10 m/s is stopped by applying brakes which produc a uniform acceleration of, -0.5 m/s2. How much distance will be covered by the scooter before it stops?
- What force would be needed to produce an acceleration of 4 m/s^2 in a ball of mass 6 kg ?
2.1k Questions
1.8k Answers
0 Comments
17 Users