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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
During a crash test, a car moving at 60 km/ hr collides with a rigid barrier and comes to a complete stop in 200 ms, Find the total impulse imparted by the collision, Find the average collisional force
Suppose you are driving in the High Sierras from Mammoth Mountain to the Owens Valley 2038 m below. what would be your approximate final speed
Two identical capacitors store different amounts of energy: capacitor A stores 2.2 x 10-3 J, Find the voltage across the plates of capacitor A
A golf ball strikes a hard, smooth floor at an angle of 24.7 ° and, as the drawing shows, rebounds at the same angle. compute the magnitude of the impulse applied to the golf ball
What thickness of board (calculated to 0.1 cm) would it take to stop the bullet, suppose that the acceleration through all boards is the same.
If a car traveling at 62 km/h will skid 22 m as its brakes lock, how far will it skid if it is traveling at 120 km/h when its brakes lock.
For this purpose you set up a measurement in which a proton and an electron are situated 901 nm from each other and you study the forces that the particles exert on each other.
A bicycle has wheels with a diameter (DIAMETER, not radius) of 0.620 m. Find the linear acceleration of the bicycle
A solenoid is designed to prodcue a 2.78*10^-2 T magnetic field near its center. It has a radious of 1.4cm, What total length of wire is required to make this solenoid
How large does the radius R of the dish have to be to achieve an electric field vector amplitude of 0.1 rm mV/m at the receiver.
A woman rides a carnival Ferris wheel at radius 16.00 m, completing 4.10 turns about its horizontal axis every minute. What are (a) period of the motion, and the magnitude of her centripetal acceleration at (b) highest point and (c) the lowest poi..
Just by the impact, the clay has speed v0 = 9 m/s, and the disk is rotating clockwise with angular speed w0 = 0.4 rad/s. Just following the impact, what is an angular speed of the combined system of wheel plus clay.
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