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A battleship simultaneously fires two shells toward two identical enemy ships. One shell hits ship A, which is close by, and the other hits ship B, which is farther away. The two shells are fired at the same speed. Assume that air resistance is negligible and that the magnitude of the acceleration due to gravity is .
Now, consider that both shells are fired at an angle greater than 45 degrees with respect to the horizontal. Remember that enemy ship A is closer than enemy ship B
A) Which shell reaches the greater maximum height?
B) Both shells reach the same maximum height.
q1. a speed skater moving across frictionless ice at 8.60 rm ms hits the 4.20-m-wide patch of rough ice. she slows
A 76-kg ice hockey player standing on a frictionless sheet ofice throws a 5.6-kg bowling ball horizontally. With what speed does the hockey player recoil
Transcranial magnetic stimulation (TMS) is a noninvasive technique used to stimulate regions of the human brain. Determine the induced emf within a circle of tissue of radius 1.9 mm and that is perpendicular to the direction of the field
A frog in a hemispherical pod finds that he just floatswithout sinking in a fluid of density 1.25 g/cm3. what is the mass of the frog
A 100 kg block is pulled at a constant speed of 6.2 m/s across a horizontal floor by an applied force of 123 N directed 27° above the horizontal. obtain the rate at which the force does work on the block
A pulley, with a rotational inertia of 1.1 x 10-3 kg·m2 about its axle and a radius of 5.8 cm, is acted on by a force applied tangentially at its rim. The force magnitude varies in time as F = 0.16t + 0.43t2, with F in newtons and t in seconds.
At a rock concert, the sound intensity 1.0m in front of the bank of loudspeakers is 0.10W/m^2. How much energy is transferred to each eardrum in one second
A Yo-yo has a rotational inertia of 952 g·cm2 and a mass of 107 g. Its axle radius is 2.27 mm, and its string is 117 cm long. What is the magnitude of its linear acceleration
A car is travelling at a constant speed of 31.1 m/s on a highway. At the instant this car passes an entrance ramp, a second car enters the highway from the ramp. The second car starts from rest and has a constant acceleration. What acceleration mu..
Donovan Bailey set a world record for the 100-m dash on July 27, 1996. find the time that was recorded on Earth
The magnetic flux through one face of a cube is +0.120Wb. a) Whatmust the total magnetic flux through the other five faces of thecube be? b) why didn't you need to know the dimensions of the cubein order to answer part (a)?
In a football game, a receiver is standing still, having just caught a pass. Before he can move, a tackler running at a velocity of 4.5 m/s grabs him. find the mass of the receiver
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