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A rectangular boat is overloaded so that the water level (in fresh water) is just one centimeter (1.0 cm) below the top of the boat. If the boat measures 4.5 meters long by 2.0 meters wide and has a height or depth of 0.30 meters, what is the combined mass of all the people and the boat combined?
A 40 cm diameter wheel accelerates uniformly from 240 rpm to 360 rpm in 6.5 s. how far will a point on the edge of the wheel have traveled in this time. what is the ratio of the new force to the old force.
A planet's moon travels in an approximately circular orbit of radius 6.6 x10^7 m with a time of 7 h 9 min. Calculate the mass of the planet from this information.
a 20 kg mass sits on an inclined plane with friction making an angle of 50 degrees with respect to the horizontal. calculate the frictional force required to keep the mass from sliding down the incline
A fisherman notices that his boat is moving up and down periodically without any horizontal motion, How fast are the waves traveling
A fan blade, initially at rest, rotates with a constant acceleration of 0.025 rad/s2. What is its angular speed at the instant it goes through an angular displacement of 4.2 rad.
In a downtown office building you notice each of the four sections of a rotating door has a mass of 85 kg. What is the width of each section of the door if a force of 64 N applied to the outer edgE
A force of 13.3 N pulls horizontally on a 0.9 kg block that slides on a rough, horizontal surface, What is the acceleration of the blocks and What is the tension in the string
a circular loop of wire 14 cm in diameter is placed with its normal at an angle ? = 37° with the direction of a uniform magnetic field of magnitude B = 0.51 T, What is the emf induced in the loop
A projectile is launched perpendicularly upward from a planet of mass M; and radius R; its initial speed is twice the escape speed. Derive an expression for its speed as a function of the distance from the center of the planet.
If an electric field strength greater than 3.88E+6 N/C causes the air to break down and conduct charge (lightning), what is the maximum charge the cloud can hold
A hill that has a 25.7% grade is one that rises 25.7 m vertically for every 100.0 m of distance in the horizontal direction. At what angle is such a hill inclined above the horizontal?
Vector A - Vector B=(-51.4m)x, Vector C=(62.2m)x, and Vector A + Vector B + Vector C=(13.8m)x, Find Vector A and express in terms of unit vector x
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