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A bowler holds a bowling ball with massM = 7.3 kg in the palm of his hand. Lower arm has massm = 1.8 kg. As the figure shows, his upper arm is vertical and his lower arm is horizontal.What is the magnitude of(a) the force of the biceps muscle on the lower arm and(b) the force between the bony structures at the elbow contact point?
A river flows due east at 1.50 m/s. A boat crosses the river from the south shore to the north shore with maintaining a constant velocity of 11.0 m/s due north relative to the water. What is the velocity of the boat relative to shore?
A group of college students eager to get to Florida on a spring break drove the 795-mi trip with only minimum stops. How many hours did the trip take
a car tyre has an internal volume of 2.2 times 10-2 m3. one day when the car has been left standing and the temperature
the diameter of the vessel is 5.6 mm. In a 0.60-T magnetic field illustrate what is the magnitude of the voltage that is measured with the electrodes in the drawing?
Five thousand joules of heat is put into a Carnot engine whose hot and cold reservoirs have temperatures of 600 and 200 K, respectively. How much heat is convertedd into work?
Suppose that the brakes in your vehicle create a constant deceleration of 2.9 m/s2 regardless of determine how fast you are driving. Assume you double your driving speed from 15 m/s to 30 m/s
The most abundant isotope of lithium, Li-7, contains three protons and four neutrons and has a mass of 7.01600 u. What is the mass defect for this nucleus in atomic mass units
A person's eye lens is 2.7 cm away from the retina. What must the focal length of this lens be in order for an object placed at the far point of the eye to focus on the retina
Assume that a 6 volt energy source is in a circuit that has a resistance of 10ohms. Determine the current and power
An object has a velocity 0(t) = (3.00 m/s) + (1.00 m/s) at time t = 0.00 s. The acceleration of the object is (t) = (2.00 m/s3)t + (1.00 m/s4)t2 . If the object is located at 0(t) = (1.00 m) + (-1.00 m) at time t = 0.00 s.
A square current loop 4.50cm on each side carries a 540mA current. What is the magnitude of the torque on the current loop
A 0.145-kg baseball pitched horizontally at 27 m/s strikes a bat and is popped straight up to a height of 25 m. calculate the average force [exerted by the bat on the ball] during contact
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