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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?
q1. a tiger leaps horizontally from a 5.9 m high rock with the speed of 3.4 ms. how far from the base of the rock wills
A 7.0 kg ball with the initial velocity of (7i+5j)m/s collides with a wall and rebounds with a velocity of (-7i+5j)m/s. what is the impulse exerted on the ball by the wall
25g of copper pellets are removed from a 300 degrees C oven and immediately dropped into 90 mL of water at 25 degress C in an insulated cup. What will the new water temp be
neon sign requires 12,000 V to operate which is supplied by a transformer. If the primary on the transformer has 10 turns and is connected to a 120-V outlet, how many turns does the secondary have
An alpha particle with kinetic energy 17 MeV makes a head-on collision with a lead nucleus at rest. What is the distance of closest approach of two particles.
A gymnast takes off with an angular momentum of 60 kgm^2/s. What will be her angular velocity during a somersault, if her moment of inertia in the tucked position is 5 kgm^2. Be careful with the units.
Two particles are fixed to an x axis: particle 1 of charge -5.68 × 10-7 C is at the origin and particle 2 of charge +5.68 × 10-7 C is at x2 = 18.2 cm. What is the magnitude of the net electric field
(a) The power rating of the electric heater and(b) The temperature rise that the air experiences each time it passes through the heater.
The headlights of a pickup truck are 1.33 m apart. What is the greatest distance at which these headlights can be resolved
Let us model the electrical behavior of such a molecule by a pair of +/- 1.60x10^-19 -C charges connected by a spring with force constant= 2.05x10^-4 N/m. What is the magnitude of the induced electric dipole moment
At age 40, a man requires contact lenses (f=65.0 cm) to read abook held 25.0 cm from his eyes. By what distance has his near point changed
Two waves traveling in the same direction combine. The constituent waves have identical angular wave numbers, find the phase difference between the constituent waves
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