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A treasure map directs you to start at a palm tree and walk due north for 15.0m. You are then to turn 900 and walk 22.0m; the turn 900 again and walk 5.00m. Give the distance from the palm tree and
A 83g arrow is fired from a bow whose string exerts an average force of 125N on the arrow over a distance of 81cm. What is the speed of the arrow as it leaves the bow?
A water trough is 9 m long and has a cross-section in the shape of an isosceles trapezoid that is 40 cm wide at the bottom, 100 cm wide at the top, and has height 60 cm. If the trough is being fille
At a picnic, a Styrofoam cup contains lemonade and ice at 0°C. The thickness of the cup is 4.0 10-3 m, and the area is 0.015 m2. The temperature at the outside surface of the cup is 28°C. Th
A refrigerator has a surface area of 5.5 m2. It is lined with 0.066-m-thick insulation whose thermal conductivity is 0.030 J/(s·m·C°). The interior temperature is kept at 5°C,
A 82 kg diver steps off a 12 m tower and drops from rest straight down into the water. If he comes to rest 4.0 m beneath the surface, determine the average resistance force exerted on him by the wat
What is the amount of force needed to accelerate a 1.0 kg brick at the rate of 5.0 m/s2?
A 15 g rifle bullet traveling 205 m/s buries itself in a 3.4 kg pendulum hanging on a 2.6 m long string, which makes the pendulum swing upward in an arc. Determine the vertical and horizontal compon
A gas expands from I to F in Figure P12.5. The energy added to the gas by heat is 418 J when the gas goes from I to F along the diagonal path. What is the change in internal energy of the gas?
By how much does the ball clear or fall short of the crossbar?
A brick is moving at a speed of 3 m/s and a pebble is moving at a speed of 5 m/s. If both objects have the same kinetic energy, what is the ratio of the brick's mass to the rock's mass?
A continuous voltage signal is to be converted into its digital conterpart using an analog-to-digital converter. The maximum voltage range is +- 30V. The VDC has a 12-bit capacity. Determine (a) num
An object floats with half its volume beneath the surface of the water. The weight of the displaced water is 2000 N. What is the weight of the object?
A loudspeaker of mass 21.0 kg is suspended a distance of h= 2.20 m below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of l= 3.50m .
A merry go round is accelerated from rest and attains an angular velocity of 1.2 rad/s in the first 18 secs, if the net applied torque is 1200 Nm what is the moment of inertia
Bonnie and Clyde are sliding 470 bank safe across the floor to their getaway car. The safe slides with a constant speed if Clyde pushes from behind with 390 of force while Bonnie pulls forward on a
At one point in a skydive, a falling 66 kg skydiver is encountering air resistance of 452 N. How much does the skydiver weigh?
Find the gravitational potential energy as- sociated with the child relative to the child's lowest position under the following condi- tions: when the ropes make a 37.0 degree angle with the horizon
(a) If each child exerts a force of 26 N, how far does each child run?(b) What is the angular acceleration of the merry-go-round?(c) How much work does each child do?(d) What is the kinetic energy o
A 1500-kg automobile travels at 90 km/h along a straight concrete higway. Faced with an emergency situation, the driver james on the brakes, and the car skids to a stop. What will be the car's stop
Alexis is socially withdrawn and has a few close friends. This behavior is most likley to be diagnosed as a symptom of psychological disorder if it is?
A 44.0-kg projectile is fired at an angle of 30.0° above the horizontal with an initial speed of 105 m/s from the top of a cliff 164 m above level ground, where the ground is taken to be y = 0.
two forces of 20 units and 30 units act at right angle what is the magnitude of resultant
what should be the orientation of an electric dipole so that its potential enrgy is
the maximum height attained by a projectile and its horizontal range are equal to each other if the projectile projected at an angle theta given by