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Two boats are heading away from shore. Boat 1 heads due north at a speed of 3.13 m/s relative to the shore. Relative to Boat 1, Boat 2 is moving 34.7 ° north of east at a speed of 1.39 m/s. A passenger on Boat 2 walks due east across the deck at a speed of 1.70 m/s relative to Boat 2. What is the speed of the passenger relative to the shore?
The drill used by most dentists today is powered by a small air-turbine that can operate at angular speeds of 320000 rpm. How many revolutions does the drill bit make
A golf ball of mass 50 g released from a height 1.5m above a concrete floor bounces back to a height of 1.0 m. What is the amount of energy lost during the impact
A straight wire segment 4 m long makes an angle of 30° with a uniform magnetic field of 0.37 T. Find the magnitude of the force on the wire
An 8-m-long beam, weighing 14,700 N, is hinged to a wall and supported by a light rope that is attached 2.0 m from the free end of the beam. calculate the reaction force of the wall on the beam
Given two vectors,A= (4i + 1j) and B = (-1i + 4j) (3) What is the sum of these two vectors, What is the cross product of these two vectors
A 3500 resistor and a 1.1 µF capacitor are connected in series across a generator (60.0 Hz, 120 V rms). Determine the average power dissipated in the circuit
You are designing a diving bell to withstand the pressure of seawater at a depth of 220 m. What is the gauge pressure at this depth? (You can ignore changes in the density of the water with depth.)
A truck weighs four times as much as a car. if the truck coasts into the car at 12km/h and they stick together, what is their fimal velocity.
The speed of light in vacuum is186,000 mi/s = 3.00 × 108 m/s . Use this fact to find the number of kilometers in a mile. A rectangular prism has the following dimensions: 11= 45.0 cm, 12= 105cm, 13= 48.0 cm. What is its volume in cm3? What is its vol..
A 0.300-kg puck, initially at rest on a horizontal, frictionless surface, Determine the velocity of the 0.300-kg puck after the collision
An astronaut of mass 73 kg pushes off a satellite of mass 420 kg, exerting a force of 120 N for the 0.82 s they are in contact. What is the speed of the astronaut after they have separated
An irregularly shaped object 10 long is placed with each end on a scale. how far from the left is the center of gravity
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