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Question 1
Part 1
A Knight of Round Table fires off a vat of burning pitch from his catapult at 15.2 m/s, at 34 above horizontal. The acceleration of gravity is 9.8 m/s2 .How long is it in the air? Answer in units of s Part 2 what is the horizontal component of velocity? Answer in units of m/s Part 3 How far from a catapult does it land? Answer in units of m Question 2
A long jumper leaves the ground at an angle of 15.8 to the horizontal and at a speed of 10.8 m/s. How far does he jump? The acceleration because of gravity is 9.8 m/s2 .Answer in units of m. Question 3
To win game, a place kicker must kick a football from a point 25 m (27.34 yd) from the goal, and the ball must clear the crossbar,which is 3.05 m high. When kicked, ball leaves the ground with a speed of 17 m/s at an angle of 48.5 from the horizontal. The acceleration of gravity is 9.8 m/s2.
By how much a vertical distance does the ball clear the crossbar? Answer in units of m
A 1200kg car (A) traveling due north at 25m/s collides with a 2000kg truck traveling due west at 18m/s. What is the velocity of the wreckage just after the collison
A 6.30kg block is pushed 9.45m up a smooth 37.0? inclined plane by a horizontal force of 80.0N . If the initial speed of the block is 3.35m/s up the plane. Calculate the initial kinetic energy of the block
Use Pascal's principle. Given that Fout is 68 lb., the areas of the output and input cylinders are Aout 21 in2 and Ain 6 in2, what is the input force
A 5600 kg mass car is taking a turn at 72 m/s. If the frictional force here is 44,000N, what is the radius of curvature of the turn
In a diffraction experiment a point (pinhole) source of wavelength 600 nm is to be used. Determine whether Fresnel or Fraunhofer diffraction applies
an 8.00kg point mass and a 14.5kg point mass are held in place 50.0 cm apart. Find the magnitude of the acceleration of the particle
Every day our Earth receives 1.55×1022 J energy from the Sun. If we were able to use 1.05 percent of this energy to accelerate spaceships, how many missions would be possible in one year
A gas is compressed at a constant pressure of 0.800 atm from 12.00 L to 3.00 L. In the process, 380 J of energy leaves the gas by heat. (a) What is the work done on the gas? J (b) What is the change in its internal energy?
a series RLC circuit has a resistance of 500 ohms, and inductance of 20.0 mH, and a capacitance of 2.00 uF. what is the peak current in this circuit
A converging (lens f=+12cm) in contact with a diverging lens gives a combined focal length of +36 cm, calculate the focal length of the diverging lens
A 1.5 m^3-volume tank holds oxygen gas (M = 32 g/mole) at the pressure of 500,000 Pa. The temperature is 27 C. Find the mass of oxygen in the tank (in kg)
Neutrons (RBE = 2.0) and some unknown radiation type have the same biologically equivalent dose. What is the RBE for the unknown radiation
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