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Apply the general results obtained in the full analysis of motion under the influence of a constant force in Section 2.5 to answer the following questions. You hold a small metal ball of mass m a height h above the floor. You let go, and the ball falls to the floor. Choose the origin of the coordinate system to be on the floor where the ball hits, with y up as usual. Express all results in terms of m, g, and h. Just after release, what are yi and yiy?
Just before hitting the floor, what is yf?
How much time Δt does it take for the ball to fall?
What is vfy just before hitting the floor?
a ball thrown horizontally at 29 ms travels a horizontal distance of 54 m before hitting the ground. from what height
A battery having an emf of 12.00 V delivers 100 mA when connected to a 73.0 load. Determine the internal resistance of the battery
A 2,500-kg car moving east at 10.0 m/s collides with a 3,000-kg car moving north. Find the speed of the 3,000-kg car before the collision
Using the idea of a dozen as an example again, if you have 2 dozen blocks and their total mass is 48 kg, What is the mass of a single molecule
A rectangular loop of (axb) is separated from an infinity long wire Conductor that carries current I in z direction by a distance of d. Find H and B in as function of r. Calculate Φ. Calculate phi for I=1 A, a=2 cm b = 3 cm and d=5 cm.
A gold prospector finds a solid rock that is composed solely of gold and quartz. Evaluate what is the mass of the gold in the rock
A golfer imparts a speed of 28.7m/s to a ball, and it travels the maximum possible distance beforelanding on the green. How much time does the ball spend in the air
A heating element in a stove is designed to dissipate 3380 W of heat when it is connected to 200 V. Assuming that the resistance is constant, Calculate the power the heating element dissipates
To the unaided eye, the planet Jupiter has an angular diameter of 50 arc seconds. What will its angular size be when viewed during a 0.75 m focal length refracting telescope with an eyepiece whose focal length is 30 mm?
a uniform electric field of magnitude 430 nc pointing in the positive x-direction acts on an electron which is
Assuming the motor is supplied through an equivalent 208 V source with an impedance of 0.18+j0.15W, determine the voltage at the motor terminals during normal operation (slip of 3%).
When a glass rod is rubbed with silk it (the rod) becomes positively charged. When two objects are rubbed together, which particle is most probable to be transferred? If the charge on each of two small spheres a fixed distance apart is halved, the fo..
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