Water falls from a height of 60\ m at the rate of 15\ kg/s to operate a turbine. The losses due to frictional force are 10\% of the input…
NEET 2021 · Medium
The potential energy of a long spring when stretched by 2\ cm is U . If the spring is stretched by 8\ cm , potential energy stored in it…
NEET 2023 · Easy
The energy that will be ideally radiated by a 100 kW transmitter in 1 hour is:
NEET 2022 · Easy
An electric lift with a maximum load of 2000 kg (lift + passengers) is moving up with a constant speed of 1.5 ms^-1 . The frictional force…
NEET 2022 · Medium
At any instant of time t , the displacement of any particle is given by 2t-1 (SI unit) under the influence of force of 5 N. The value of…
NEET 2024 · Easy
The power of a crane, which lifts a mass of 1000 kg to a height of 20 m in 10 s is: ( g=9.8\ m s^-2 )
NEET 2026 · Easy
