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A 5.82-kg object passes through the origin at time t = 0 such that its x component of velocity is 5.30 m/s and its y component of velocity is -2.73 m/s. (a) What is the kinetic energy of the object at this time? (b) At a later time t = 2.00 s, the particle is located at x = 8.50 m and y = 5.00 m. What constant force acted on the object during this time interval? magnitude direction (c) What is the speed of the particle at t = 2.00 s?
Define the terms “Coefficient of Static Friction”, and “Coefficient of Kinetic Friction”. What is friction? The force probe reading will represent the frictional force, which of Newton’s Laws allows us to do this? Explain.
What is true of the net force when 3 or more forces are in a state of equilibrium, and If a force (F) make an angle (theta) with the x-axis, what are the formulas used to the x and y components of this force
there are two telescopes observing at night. the first telescope is 0.3m and has a focal ratio of f8. the second
Your friend can barely lift a 36-kg concrete block on Earth. How massive a block could she lift on the Mercury
Small steel ball bearing with a mass of 17 g is on a short compressed spring. When aimed vertically and suddenly released, the spring sends the bearing to a height of 1.39m. Calculate the horizontal distance ball would travel if the same spring we..
A mass hangs on the end of a massless rope. The pendulum is held horizontal and released from rest. When the mass reaches the bottom of its path it is moving at a speed v = 2.4 m/s and the tension in the rope is T = 14.9 N. How long is the rope
a parallel-plate air capacitor has a capacitance of 500 pf and a charge of magnitude 0.250uc on each plate. the plates
The mass of the Moon is 7.18X10^22 kg and radius is 1738 km. If your mass is 90 kg, what would be your weight (gravitational force of attraction) on the Moon
A block of mass 12.0kg slides from rest downa frictionless 35.0 degree incline and is stopped by a strongspring with k=3.00x10 the 4th N/m. how far has the spring been compressed
a ball rolling down an incline travels 6.0 cm in the first 0.25 seconds and 24 cm in the first 0.50 seconds. what the
A projectile of mass 2.06 kg approaches a stationary target body at 7.70 m/s. What is the speed of the target body
Mike throws a ball upward & toward the east at a 10.0 angle with a speed of 57.0 m/s. find the ball's initial angle in Nancy's referance frame
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