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When the small cart is 1.50m away from the base of the incline, its speed is 3.75 m/s. Determine how far up along the incline the cart will go before coming to rest momentarily. The inclination of the plane is 16.0 degrees.
A train traveling at v0 = 28.0 m/s begins to brake by applying a velocity-dependent instantaneous acceleration a(v) = ? /(v+u) m/s^2, Determine the distance traveled by the train until it comes to a complete stop
In a tractor-pulling contest, a 2500 kg tractor pulls a 5000 kg sledge with an acceleration of 0.61 m/s2. (The tractor rolls on its wheels; the sledge slides.), What is the force of the sledge on the tractor
A man pushes a lawn mower on a level lawn with a force of 189 N. If 38% of this force is directed downward, how much time is spent in pushing the mower this distance
If s is measured in feet, the value of a is 3? How many seconds do you have to get out of the way of a chandelier wich falls from a 400 foot ceiling
The relationship between angular frequency and wavenumber for a deep water wave is: ?=gk????, what is the group velocity of the wave
You are designing a small coil (called a search coil) to measure magnetic fields. It is to have a diameter of 3.80 cm, How many turns should the coil have
A spherical weather balloon is filled with hydrogen until its radius is 3.10 m. Its total mass including the instruments it carries is 11.0 kg. Find the buoyant force acting on the balloon
A 80.0 Hz generator with an rms voltage of 150 V is connected in series to a 3.20 k ohm resistor and a 3.50 micro farad capacitor. Find the phase angle between the current and the voltage
You are designing an elevator for a hospital. The force exerted on a passenger by the floor of the elevator is not to exceed 1.57 times the passenger's weight. What is the maximum speed of the elevator
While working in a research lab, you find that it takes 211 J of heat to increase the temperature of 1.53 kg of a material by 44 K
A point particle with charge q = 86 µC is placed at a corner of a cube of edge a = 12 cm, What is the flux through each of the other cube faces
An x-ray photon of initial energy 50.0 keV Compton scatters from an electron that is initially at rest. find the wavelength of the back-scattered photon
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