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In the drawing, the weight of the block on the table is450 N and that of the hanging block is160 N. Ignore all frictional effects,and assume the pulley to be massless.
Find the acceleration of the two blocks.
Find the tension in the cord.
A 300 g bird flying along at 5.9m/s sees a 10 ginsect heading straight toward it with a speed of 35m/s, What is the bird's speed immediately after swallowing
An ideal air conditioner operating on a Carnot cycle absorbs heat Q2 from a house at temperature T2 and discharges Q1 to the outside at temperature T1, consuming electrical energy E.
A stainless steel orthodontic wire is applied to a tooth, as shown in the figure above. The wire has an unstretched length of 2.7 cm and a diameter of 0.2 mm. What is the tension in the wire
A 0.5 kg block of ice is sliding by you on a very slippery floor at 2.5m/s. As it goes by, you give it a kick perpendicular to its path. Your foot is in contact with ice block for 0.0025 seconds.
The 87?F capacitor in a defibrillator unit supplies an average of 6500 W of power, To what voltage is the capacitor charged
A small solid ball of mass M and radius R rolls without slipping on the track whose height y as a function of horizontal position x is given by y=ax^2 where a is a constant with the units of inverse length.
A 1.10kg , horizontal, uniform tray is attached to a vertical ideal spring of force constant 190N/m and a 295g metal ball is in the tray. How fast is the ball moving just as it leaves the tray
Two identical, small insulating balls are suspended by separate 0.36-m threads that are attached to a common point on the ceiling. obtain the tension in the threads
A student proposes to measure the gravitational constant G bysuspending two spherical objects from the ceiling of a tallcathedral and measuring the deflection of the cables from the vertical. what is the separation of the objects
q1. a woman is riding a boat at the speed of v when she notices a seawall straight ahead. the farthest she can lean the
A low-power laser used in a physics lab might have a power of0.50 mW and a beam diameter of 3.0mm. calculate the average light intensity of the laser beam
A neighborhood transformer on the top of a utility pole transforms 14.0 kV 60.0 Hz alternating voltage down to 120.0 V to be used inside a house. how many turns does the primary coil have
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