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a 6000 kg struck moving at 75 km/hr hits a stopped 3000kg car. they lock bumpers and skip to a stop.
a) what is the speed of the truck and car system after the collision.
b) if the coefficient of friction is 0.30 how far do they skip
In order to manufacture these coffee tables, the company would need to incur $525,000 in fixed costs for new equipment. Calculate the break-even point of the coffee tables in units sold. Illustrate what would be the total revenue at the break-even po..
A standard 100 W (120 V) lightbulb contains a 9.90cm -long tungsten filament. The high-temperature resistivity of tungsten, What is the diameter of the filament
A small turtle moves at a speed of 165 furlongs per fortnight. Find out the speed of the turtle in centimeters per second. Note that 1 furlong = 220 yards and 1 fortnight = 14 days.
A hockey player got checked into the boards and was knocked unconscious. It takes 95N of force to drag the hockey player across the ice at a constant speed.
A ski tow operates on a slope of angle 14.8? of length 250m . The rope moves at a speed of 12.4km/h, Estimate the power required to operate the tow
What is the charge on each
How much work was done by the lift on the automobile.
A point charge is moved in an electric field. The potential changes from -87 V to +30 V between the initial and final position. The work done by the electric field is 156 J
A 68.0 kg person escapes from a burning building by jumping from a window 25m above a catching net. Assuming that air resistance exerts a 95N force on the person during the fall, determine the person's velocity just before hitting the net.
Two forces are acting on an object: 8 N [N22.1 ºE], and 5 N [S 34.8 ºE]. What is the magnitude (in N) of the resultant force acting on the object.
Find out d, the distance between the photogates, using the times and glider length. There is two ways to find this for the up and down directions.
Light is incident on a slit 0.750 mm wide. On a screen 2.00 m away, the distance from the central maximum to the first minimum is 1.35 mm. compute the wavelength of the light.
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