If you want to lift a 20-kg box off the floor to a height of 0.5 meters how much work
... How much work will it take to lift a 2-kg pair of hiking boots 2 meters off the ...
www.jiskha.com/search/index.cgi?query=how much work is being done if a 100 N box is lifted 3 meters off the ground?
A 5.o kg box is lifted to a height of 10 meters at a constant speed. a)How much ...
How much work is done on a 30 N rock that is lifted 1.5 m off the ground? show
work. .... I found that 353N is the maximum force you can apply to box 1 so that
box 2 ... a 20-kg box across the floor with constant speed. μs is 0.60, how much
height because only the vertical distance an object moves matters for ... If you
have to lift a new sofa to a second-floor apartment, the work done ... Elijah does
44 joules of work against gravity to pull a 0.5-kilogram rope with a ..... A lever
used to lift a heavy box has an input arm of 4 meters and an output arm of 0.8
A 1200 kg car and a 2400 kg car are lifted to the same height at a constant ...
How much work does he do on the box while walking across the floor at constant
speed? ... kinetic energy is directly related to the square of the speed (KE=0.5*m*
v<sup>2</sup>). ... off a diving board that is elevated to a height of 10 meters above the water.
If you think about it, it is the same equation that you use even when an object is ...
s=5m and F=20N just like in the previous problem, but this time q =60<sup>o</sup> ... Work: A
50-kg crate is pulled 40m along a horizontal floor by a constant force ... Cos(90<sup>o</sup>)
=0 ... power rating of a motor that can lift a 600 Kg load 30 meters in 5 seconds?
www.dallassd.com/our schools/high school/chemsite/physics/physicsnotes/p6work_energy.pdf
the box's direction. Fighting against the force of gravity. Work and Direction ... 2.
Vertical vs. Horizontal Work. Lifting. Gives an object. Potential Energy of ... 5. A
rocket travels at a constant speed through space. How much work is ... 0 =Fv-mg.
Fv = mg = (15.0 kg)(9.80 m/s2). Fv = 147 N. Whiker = Fd = (147 ... The floor has a...
if the object is moved 50 m? F= d= W= 2. 650 J of work is done in moving a desk
a horizontal distance of 5 m. ... How much work is done in lifting a 10 kg box 1.5
m off the floor? 2 ... A force of 150 N is used to push a motorcycle 10 m along a
road in 20 s. ... A crane uses 750 kW of power to lift a car 0.5 m in 12 seconds.
If a bowling ball and a ping pong ball have the same velocity, the bowling ... If we
drop a 3-kg ball from a height of h = 10 m, ... Work: Work is the energy transferred
to or from an object by mean of a force ... Consider a box being dragged a
distance d across ... The total work done by many forces acting on .... −3⋅9.8⋅5 =
gravitational energy as if you lift it only one foot, because of the greater height. ...
The official unit of weight, or of any other force, is much less familiar: it is called. 1
... For example, lifting a single brick two meters off the ground takes ... (0.15 kg)(
20 m/s)2 = 30 kg·m2 s2 . (2.10). Numerically, the kinetic energy is 30, ...
Nov 29, 2007 ... A 5 kg medicine ball is thrown directly at her by someone standing in front ... a
speed of 0.5 meters per second, so the final momentum is 0.5x50 = 25, ... If you
lift up a box of books from the floor and put it on a shelf, you've done ... It's
obvious that you will have to do twice as much work to raise a box o...