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A person with a mass of 65 kilogram skis down a frictionless hill that is 5.0 meter high. At the bottom of the hill the terrain levels out. As the person reaches the horizontal portion, he grabs a 20-kilogram backpack and skis off a 2.0 meter high ledge. Find at what horizontal distance from the edge of the ledge does the person land?
An airplane with a speed of 74.9 m/s is climbing upward at an angle of 38.3 ° with respect to the horizontal. When the plane's altitude is 631 m, Calculate the distance along the ground
A box with a mass of 8 kg is lifted (without acceleration) through a height of 9 m, in order to place it upon the shelf of the closet.
A 9.7 Ω resistor,a 10.8 µF capacitor, and a 27.9 mH inductor are connectedin series with a 120 V (rms) source with variable frequency. At what frequency will the current be maximum? Find the maximum rms current.
A ray of light traveling in air is incident on the flat surface of a piece of glass at an angle of 66.5° with respect to the normal to the surface of the glass, what is the refractive index of the glass
a tank circuit in a radio transmitter is a series rcl circuit connected to an antenna. the antenna broadcasts radio
A jogger is running around a circular track of circumference 470 m. If the jogger has a speed of 8 km/h, what is the magnitude of the centripetal acceleration of the jogger
If a canon ball is launched with a velocity of 90m/s at anangle of 35 degrees, How fast is it moving upward and how fast isit moving across land
From the top of a cliff 80 meters high, a ball of mass 0.4 kilogram is launched horizontally with a velocity of 30 meters per second at time t=0. The potential energy of the ball is zero at the bottom of the cliff. Use g=0 meters per second square..
A particle of mass 2.4x10^-5kg and charge 3.0x10^-6C is accelerated from rest in a uniform electric field of 180 N/C. Find its acceleration in the electric field
A bicyclist is riding a bicycle on a flat road. (Figure 2) The combined mass of the bicyclist and bicycle is = 110 , the radius of each wheel is = 32.5 , and the coefficient of rolling resistance between the tires and the road is = 0.170 . The ped..
A train has the length of 114 m and starts from rest with a constant acceleration at time t = 0 s. At this instant, a car just reaches the end of the train.
two firecrackers explode at the same place in a rest frame with a time separation of 20 s in that frame.find the time
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