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A boat at anchor is bobbing up and down in the sea. The vertical distance, y, in feet, between the sea floor and the boat is given as a function of time, t, in minutes, byy = 15 + sin(2πt).
(a) Find the vertical velocity, v, of the boat at time t.
(b) Make rough sketches of y and v against t.
The single slit diffraction pattern shown below was made with light with λ = 480 nm. If the slit had a width 9 mm, what is the width w of the central maximum in cm
In a particular rear-end car collision the driver's head rotates 45 degrees backward before being stopped by the headrest. What is the average angular velocity of the driver's head
Calculate the magnitude in m/s. Calculate direction in degrees to the north of east.Calculate the velocity of the plane just before it lands relative to the water.
an electron is moving in free space with a velocity equal to 105 ms and is aiming at a stationary electron far away
A jogger on a circular track that has a radius of 0.330 km runs a distance of 1.80 km. What angular distance does the jogger cover
A point charge q = -8.0 nC is located at the origin. Find the electric-field vector at the field point r = (1.2, -1.6) m
A flea pulls on a puck with force 7 microN at an angle of 30?. Another flea pulls on the puck with force 2 microN at an angle of -60?.
A solid weighs 300N. Calculate the pressure exerted by the solid when it is kept on a glass surface, if the area of contact is 700cm2 . solve the numerical.
A 0.481 kg metal cylinder is placed inside the top of a plastic tube, the lower end of which is sealed off by an adjustable plunger, what is the initial acceleration of the metal cylinder
The electromagnetic waves utilized in a microwave oven have a wave length of 12.24 cm. What is the frequency of this radiation?
A car and a motorcycle is racing from rest. The motorcycle first takes the lead because its constant acceleration am = 8.40 m/s2, How long does the car take to reach the motorcycle
a weight of 30.0 n is suspended from a spring that has a force constant of 190 nm. the system is undamped and is
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