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You have just landed on a planet. You take out a block of mass 245g , release it from rest from a height of 14.01m and measure that it takes a time of 1.19s to reach the ground. You can ignore any force on the block from the atmosphere of the planet. If you apply a horizontal force to this block, it moves 2.52m in 13.5s starting from rest.
Part A What is the acceleration of gravity on this planet?
Part B How much does the block weigh on the surface of Planet X?
Part C What is the force of your horizontal push if the coefficient of kinetic friction on the surface is 0.3?
A 800kg , light-weight helicopter ascends from the ground with an acceleration of 3.50m/s2. What is the work done by the gravitational force
A 15 pF capacitor is charged to 1 kV and then removed from the battery and connected in parallel to an uncharged 65 pF capacitor, Find the change in energy
Find the magnetic force due to a long wire(8.9A) on a square coil (10A) of side 615cm the centre of which is at 10.1cm from the wire
The threshold intensity for a human eye to sense the presence of light is 50 photons falling on the retina within a period of 0.1 s. Estimate how far away the star can be away
A parallel-plate capacitor is made from two plates 12.5 cm on each side and 4.20 mm apart. obtain how much energy will be stored in the capacitor
As a baseball is being thrown, it goes from 0.0 to 40.0 ms in 0.34 s, What is the acceleration of the baseball
Through 5 successive 1.04 min intervals, a runner moves at the following constant speeds: 0.405 km/min, 0.220 km/min, 0.160 km/min, 0.163 km/min, and 0.323 km/min. compute the total distance travelled and average speed.
A beam of laser light with a wavelenth of ? = 690.00 nm passes through a circular aperture of diameter a = 0.133 mm. What is the angular width of the central diffraction maximum
A particle moving along the x xis in simple harmonic motion startsequilibrium position, the origin at t=0 and moves to the right. Find the maximum particle acceleration of the particle
If the elevator's descending speed is measured at 10 m/s at a given point, but its speed is decreasing by 2.7 m/s2, what is a force exerted by the scale.
A sinusoidal voltage ?v = (85 V) sin (200t) is applied to a series RLC circuit with L = 40 mH, C = 145 ?F, and R = 30 ?. What is the impedance of the circuit
Two harmonic sound waves reach an observer simultaneously. What is the difference in frequency of the two sound waves
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