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A cart is propelled over an xy plane with acceleration components ax = 4.0 m/s2 and ay = -2.0 m/s2. Its initial velocity has components v0x = 8.0 m/s and v0y = 10 m/s. In unit-vector notation, what is the velocity of the cart when it reaches its greatest y coordinate?
If the baseball exerts the force of 464N on the glove such that the glove is displaced 5.9 cm, how much work is done by the ball.
An inexpensive microscope has a tube length of 12.0cm , and its objective lens is labeled with a magnification of 10x. Calculate the focal length of the objective lens
An electron moves in a circular path perpendicular to a constant magnetic field with a magnitude of 3.50 mT. The angular momentum of the electron about the center of the circle is 3.00 10-25 J·s. (a) Determine the radius of the circular path. cm (b) ..
The block in the figure oscillates sinusoidally between x = +a and x = %u2212a. The coordinate is x(t) = a cos(wt). Calculate the maximum speed
A student is reading a lecture written on a blackboard. The lenses in her eyes have a refractive power of 61.22 diopters, How far is the blackboard from her eyes
A free floating piston cylinder device that contains 1 kg of a 25% quality saturated mixture of water at 150C, Determine the initial and final pressure, the total energy of electrical work added to the water
A 1055 kg van, stopped at a traffic light, is hit directly in the rear by a 800 kg car traveling with a velocity of +2.00 m/s. What is the final velocity of each vehicle
If electrons are accelerated from rest in an electron gun by sending them through a potential difference of 11.0 kV
question a person wears a hearing aid that uniformly increases the intensity level of all audible frequencies of sound
neutron stars consist only of neutrons and have unbelievably high densities. a typical mass and radius for a neutron
An object is accelerated by a force. If the force is increased by a factor of 3 and the mass is increased by a factor of 4, by what factor will the acceleration change
A generator connected to an RLC circuit circuit has an rms voltage of 120 V and an rms current of 34 mA. what is the inductive reactance of the circuit
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