What work must you do to push the boulder up the hill

Reference no: EM13647966

In a dream, you find yourself pushing a huge boulder up a verysteep (35 degree) hill that is 75 meters high. The boulder weighs22,000 N. Assume that the force needed on flat ground is zero.

What work must you do to push the boulder up the hill?

Reference no: EM13647966

Questions Cloud

Find the velocity of the bob at its lowest point : A pendulum, 1.0 m long, is pulled aside to the position wherethe 4.00 g "bob" has been raised verticall a distance of 10 cm. find the velocity of the bob at its lowest point

Coefficient ofstatic friction between crutch and the ground : A person is standing on crutches. Assume that the forceexerted on each crutch by the ground is directed along the crutch,as the force vectors in the drawing indicate.

Triangle is related to the triangle''s base and height : The graph shows how the force component F cos along the displacement varies with the magnitude s of the displacement. Find the work done by theforce. (Hint: Recall how the area of a triangle is related tothe triangle's base and height.)

Find the potential difference across each resistor : Suppose the three resistors in the circuit have the values of R1=180 ohms, R2=300ohms, and R3=450 ohms, and that the emf of thebattery is 12.0 V.

What work must you do to push the boulder up the hill : In a dream, you find yourself pushing a huge boulder up a verysteep (35 degree) hill that is 75 meters high. The boulder weighs22,000 N. Assume that the force needed on flat ground is zero.

Two is otropic point sources of light are separated : Two is otropic point sources of light (S1 andS2) are separated by a distance d = 250μm along a yaxis and emit in phase at wavelength 841nm and at the sameamplitude. A light detector is located at point P at coordinate xp on the x axis.

Polarization direction of incident light-firstpolarizer : Two polarizers are oriented at 30o to each other and apolarized light is incident on them. If only 14 percent of thelight gets through both of them, what is the angle between the initial polarization direction of the incident light and the firstpo..

Calculate the average power required to move the car : Raul pushes a stalled car with a force of 204 N. If the requiredforce decreases at a constant rate from 204 N to 44.0 N for adistance of 16.3 meters in 16.0 seconds, calculate the average power required to move the car.

The closest star to our solar system is alpha centauri : The closest star to our solar system is Alpha Centauri, which is4.30 light years away. A spaceship with a constant speed of 0.800c relative to the Earthtravels toward the star. How much time would elapse on a clock on board the spaceship?

User Account

All Pages