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Velocity

Question about Shooting over a Hill

See attached A. Find the highest point in the trajectory, . Express the highest point in terms of the magnitude of the acceleration due to gravity , the initial velocity , and the angle . B. What is the range of the projectile, ? Express the range in terms of , , and . Consider your advice to an artiller

Circualr Motion

The period of a stone swung in a horizontal circle on a 2.00-m radius is 1.00 s. a. What is its angular velocity in rad/s? b. What is its linear speed in m/s? c. What is its radial acceleration in m/s^2.

Velocity - Addition Formula

As seen from earth (rest frame S) two rockets A and B are approaching in opposite directions...See Attachment

Ballistic Pendulum measures projectile speeds

A ballistic pendulum is a great device for measuring projectile speeds that are relatively large. You launch a small mass m into a large mass M, and it swings up a height h where the two masses stick together. Show that the velocity of the projectile (mass m) is given by v= (m+M)/m) times the square root of 2gh

A block of mass m slides on a frictionless table. It is constrained to move inside a ring of radius l which is fixed to the table. at t=0, the block is moving along the inside of the table (i.e., in the tangential direction) with velocity (v)O (v initial) , the coefficient of friction between the block and the ring is "u" 1) find the velocity of the block at later times 2)find the position of the block at later times

A block of mass m slides on a frictionless table. It is constrained to move inside a ring of radius l which is fixed to the table. at t=0, the block is moving along the inside of the table (i.e., in the tangential direction) with velocity (v)O (v initial) , the coefficient of friction between the block and the ring is "u" 1)

Physics Problems (Displacement Vectors; Velocities etc.)

I would like you to show me all of your work/calculations and the correct answer to each problem. 13. A ball rolls at a constant velocity of 1.50 m / s at an angle of 45 degrees below the + x-axis in the fourth quadrant. If we take the ball to be at the origin at t = 0, what are its coordinates (x, y) 1.65 s later? Answers

Vectors - Force & Velocity

Please see the attached file for full problem description with diagrams. 1) A truck is stuck in the mud. One winch can pull on a cable with 2500 pounds of force and a second winch can pull with 1500 pounds of force. If the angle between the cables is 25 degrees, what is the result force on the truck? Show method used.

Vectors

Please give step by step answers with solutions details please. I learn by seeing things done. Thank you! Their are 3 attachments.

Velocity & Acceleration Questions

Please see the attached file for full problem description. Please give step by step answers with solutions. I am learning so much by using your service just by seeing these done. Thanks!

Velocity and Acceleration - Position versus Time

Please give the solution and a step-by-step way to figure the answers out please. Learning is important. Use the data for all these questions on position versus time. The graph points are at 8 meters t=0 seconds. -4 meters at 1 second, -8 meters at 2 seconds, -4 meters at 3 seconds, 0 meters at 4 seconds and 28 meters at 5

Evaluating Velocity and Acceleration

Hi, please give the step by step solutions so I can see how you got the answers and understand it. The graph on the page is a velocity versus time graph. The time is in seconds. The graph has points at (0,20),(5,40),(10,60),(15,80),(15,60),(15,40),(15,20),(15,0),(15,-20),(15,-40),(20,-40), and then the next point is approxima

Average velocity

Please give step by step answers please. 1) The position versus time for a certain object moving along the x-axis is shown. The object's initial position is -3meters. The graph is position in meters for the y axis and the x axis is time in seonds. Point one on the grpah for 0 sec. is at (0,-3), 1 sec at (1,3), 2 sec (2

Average velocity

1) The position versus time for a certain object moving along the x axis is shown. The objects initial position is -3m. The graph points since I cannot draw it start at (0,-3),(2,9),(3,6),(4,4),(5,4),(6,0),(7,-4) and (9,0). a) Find the average velocity in the time interval 0s to 2s in m/s. b) Find the average velocit

Average Velocity and Distance

Questions: 1) Two ants race across a table that is 72.5 cm long. One travels at 4.02 cm/s and the other at 2.7 cm/s. When the first one crosses the finish line, how far behind is the second one? Answer in units of cm. 2) The position of a car coasting down a hill was observed at various times and the results are summariz

(3.10) angular accelleration of this wheel? Find tension in the string?

At t=0, a wheel rotating about a fixed axis at a constant angular acceleration has an angular velocity of 2 rad/s. Two seconds later it has turned 5 complete revolutions. What is the angular acceleration of this wheel? ============================================== Answer: a) 17 rad/s^2 b) 14 rad/s^2 c) 20 rad/s^2 d) 23 ra

Velocity word problem

All work must be shown step by step, any answers given without proper justification will not be accepted. Keep track of units and use proper notation. An object is dropped from a tall building, If the air resistance is proportional to the square of the velocity, then (dv/dt)=-32(ft/sec^2)+kv^2 where k is a constant. Show th

Find wave speed along vibrating string

A cello string .75m long has a 220-Hz fundamental frequency. Find the wave speed along the vibrating string. How can you produce a low- pitch by altering the length of the string, the thickness, and tension?

Time and distance

2 buses, 385 miles apart, are traveling directly toward each other on the same road. One is traveling 60 miles an hour and the the other is traveling 50 miles an hour. After how long will they meet?

From a traveling wave equation obtain much information about the wave.

One end of a long wire under tension is moved up and down sending a wave along it. Assume the wire lies along an x axis with the moving end at the origin. The equation giving displacement y, in meters, of points on the wave is: (1) y= (.06 m) sin (5 x - 25 t) a. From given constants, calculate the value and units of the quan

Bernoulli's Theorem: Perfume Atomizer

An old fashioned perfume atomizer operates by the user squeezing a bulb which sets up a rapid flow of air through a horizontal tube. The reduction in pressure due tothis rapid flow causes perfume to be sucked up a vertical tube from the bottle and then expelled from the horizontal tube along with the air. For simplification, we

Relativistic Addition of Velocities

Task: Suppose a pulsar with a speed of 0.96c approaches Earth, and a rocket with a speed of 0.995c heads toward the pulsar (both speeds measured in Earth's frame of reference). If the pulsar emits 10 pulses per second in its own frame of reference, at what rate are the pulses emitted in the rocket's frame of reference?