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A cylindrical beaker of height 0.100 and negligible weight is filled to the brim with a fluid of density = 890 . When the beaker is placed on a scale, its weight is measured to be 1.00 .(Figure 1)A ball of density = 5000 and volume = 60.0 is then submerged in the fluid, so that some of the fluid spills over the side of the beaker. The ball is held in place by a stiff rod of negligible volume and weight. Throughout the problem, assume the acceleration due to gravity is = 9.81 .1. What is the weight of the ball?2. What is the reading of the scale when the ball is held in this submerged position? Assume that none of the water that spills over stays on the scale.Calculate your answer from the quantities given in the problem and express it numerically in newtons.3. What is the force applied to the ball by the rod? Take upward forces to be positive (e.g., if the force on the ball is downward, your answer should be negative).4. What weight does the scale now show?
An electron moving horizontally at 3.15 x 106 m/s enters a vertical magnetic field, Find the magnitude of the magnetic field in tesla (T)
What is the lenght of the driveway. An electric field = (89000 N/C, right) causes the ball in the figure below to hang at a 20° angle. The ball's mass is 4.7 g. What is the charge on ball.
A camera's flash uses the energy stored in a 270 microF (uF) capacitor charged to 190 V. The current in the charging circuit is not to exceed 25 mA. What's the resistance in the charging circuit
A 150 kg rock (density is 2500 kg/m 3 ) is dropped to a lake. Determine how much force the man needs to life the rock from the bottom of the lake
The specific heat of granite is 0.80 kJ/kg x C. If 106 MJ of heat are added to a 100-kg granite statue of James Prescott Joule that is originally at 18 degrees C
Thor throws his war hammer at an 1800 kg car initially at rest and it becomes embedded within it. with what speed do the car and hammer move just after the collision
A large circus ride has a centripetal acceleration at 6.0 m/s2. If the circular ride has a radius of 11.0 m, what is its velocity at the edge
An eyepiece of 2.1- cm focal length and an objective of 0.34- cm focal length are used in a standard microscope. What power should be marked on the eyepiece
A Carnot engine with a hot-reservoir temperature of 360 has the same thermal efficiency. What is the cold-reservoir temperature in C?
Suppose the coefficient of static friction between the road and the tires on a car is 0.60 and the car has no negative lift. What speed will put the car on the verge of sliding
A sealed cubical container 11.0 cm on a side contains three times Avogadro's number of molecules at a temperature of 24.0°C
A current of 16.0A flows through an electric heater operating on 120 V. Compute the power consumption of the electric heater
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