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Question1
A ferryboat transports tourists among three islands. It sails from the first island to the second island, 5.98 km away, in a direction 37.0° north of east. It then sails from the second island to the third island in a direction 78.0° west of north. At last, it returns to the first island, sailing in a direction 28.0° east of south.
(a) Compute distance between the second and third islands. (b) Compute distance between the first and third islands.
Question2
The gravitational force exerted on a baseball is 2.29 N down. A pitcher throws ball horizontally with velocity 16.0 m/s by uniformly accelerating it all along a straight horizontal line for a time interval of 168 ms. the ball starts from rest.
What are magnitude and direction of the force the pitcher exerts on the ball?
Create a formula to get the time constant of the liquid level system shown in the below figure. When the avg. operating level is h0. The resistance R is linear.
For the third circuit, consisting of a single battery and two light bulbs in parallel, What is the current through each bulb
The equation of a transverse wave traveling along a very long string is y = 6.5 sin (0.045 ?x + 6.0 ?t), Determine the amplitude of propagation of the wave
A rubber ball of mass 149 g is thrown directly at a wall with a speed of 4.7 m/s. what is the magnitude of the impulse imparted by the wall on the ball
A sophomore with nothing better to do adds heat to 0.350 kg of ice at 0.00°C until it is all melted. What is the change in entropy of the water
A point charge q1 = -2.3 x 10^ -6 C is located at the origin of a co-ordinate system. Another point charge q2 = 6.3 x 10^-6 C is located along the x-axis at a distance x2 = 6.1 cm from q1. 1) What is F12,x, the value of the x-component of the forc..
In a certain region of space, the electric potential is given by V= 6y. The potential V is given in volts, the coodinate y is given in meters. Find the direction of the electric field
A box of books weighing 334 N is shoved across the floor by a force of 479 N exerted downward at an angle of 33° below the horizontal. What is the maximum coefficient of kinetic friction between the box and the floor that allows the box to move with ..
You are traveling on a hilly road. At a particular spot, when your car is perfectly horizontal, What is the radius of the circular arc in meters
A 900 N c rate s lides 12 m down a ramp that makes an angle of 3So with the horizontal. how much thermal energy is created
A soccer player kicks a ball that is on the ground down the field. The balls initial velocity is 10 m/s, 30 degrees above the horizontal. How long does is take for the ball to land down the field
If coefficient of kinetic friction between the box and the floor is 0.570, how long does it take to move the box 4.00 m, starting from rest.
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