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Q1. A 0.12-kg ball is placed in a shallow wedge with an opening angle of 120°, as shown in the figure. For each contact point between the wedge and the ball, determine the force exerted on the ball. Assume the system is frictionless. Find contact force of the ball and the wedge.
Q2. An electric field of approximately 102 v/m is often observed near the surface of Earth. If this were the field over the entire surface, what will be the electric potential of a point on the surface?
A barge on a still lake is moving toward a bridge at 10.0 m/s. When the bridge is 41.0 m away, the pilot slows the boat with a constant acceleration of -0.88 m/s2, Find the final velocity for each time using v = v0 + at
A tow truck pulls a car 5.2 km along a horizontal roadway using a cable having a tension of 790.
light of wavelength lambda nought in a vacuum has a wavelength of 435nm in water and 390 in benzene. what is the index of refraction of water relative to benzene
A 95 long train begins uniform acceleration from rest. The front of the train has a speed of 25 while it passes a railway worker who is standing 170 from where the front of train started. What will be the speed of the last car as it passes the wor..
two hockey players strike a puck of mass of .164kg, one from westward force of 1.10 x 10^3 Newtons, what is the degrees north of west
The ground state energy of a harmonically oscillating electron is 1.24 eV. How much energy should be added to the electron to move it to the second excited state.
Gas is contained in a 6.00-L vessel at a temperature of 21.0°C and a pressure of 8.00 atm. Determine the number of moles of gas in the vessel
an airplane travels 85 km,62degrees north of east. Its displacement is represented by the vector A in the drawing
a charged particle is injected at 211 m/s into a 0.0627- T uniform magnetic magnetic field perpendicularly to the field, What is the charge to mass ratio of this particle
A 2.50mL syringe has an inner diameter of 6.00mm , a needle inner diameter of 0.290mm , and a plunger pad diameter of 1.2 cm, What is the minimum force the nurse needs to apply to the syringe
The value of the magnetic field for a certain type of electromagnetic wave is 2.12 ?T. What is the value of the electric field for that wave
A 55.1-kg ice skater is moving at 4.00 m/s when she grabs the loose end of a rope, the opposite end of which is tied to a pole. Determine the force exerted by the horizontal rope on her arms
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