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Question1
A 95 m long train begins uniform acceleration from rest. The front of the train has a speed of 25m/s when it passes a railway worker who is lending 180 m from where the front of the train started. What will be the speed of the last car as it passes the worker?
Question2
Deer b is located 62 m from deer a at an angle of 51 degrees north of west. Deer c is 77 degree north of east relative to deer a. The distance between deer a and b is 95m what is the distance between deer a and c.
Question3
The pilot of an airplane travelling 190 kph wants to drop supplies to flood victims on an isolated island 160 m below. How far from the island has to the plane been horizontally as she releases the package?
Calculate the velocity of the object for an elapsed time of t=1s. Use the formula v=v0+at, these use the v0,and the value for acceleration you determined in previouse step. PROBLEM:V=Vo+at Vo is 3.8 m/s a=1.2m/s^2
A standard violin string is 32.8 cm long from the tuning peg to the bridge. When played open(without pressing a finger against the fingerboard), What is the speed of the wave on the string
computer chips are etched on circular cylinder wafers of thickness 0.60mm that are sliced from a solid cylindrical silicon crystal of length 30cm
Jimmy and his cart (with a combined mass of 200 kg) are moving along with a velocity v1 = 20 m/s i. What is the velocity of the combined system of two carts plus occupants after the collision
A 3.0 kg mess kit sliding on a frictionless surface explodes into two 1.5 kg parts, one moving at 2.1 m/s, What is the original speed of the mess kit
he rate P at which a star radiates energy in the form of electromagnetic waves can be calculated using the equation, Calculate a numerical value for the intensity of sunlight
A step-up transformer has 300 turns on its primary coil and 90000 turns on its secondary coil if the current flowing through the secondary is 5 amps what is the current flowing in the primary.
An aluminum wire having a cross-sectional area equal to 3.20X10^-6 m^2 carries a current of 6.50 A. Find the drift speed of the electrons in the wire
A 390 ohm resistor and a 6.10uF capacitor are connected in parallel to an ac generator that supplies an rms voltage of 220V at an angular frequency of 360rad/s.
Two charged Ping-Pong balls separated by the distance of 1.62 m exert an electric force of 0.0234N on each other. What will be the force if the objects are brought closer, to a separation of only 31.4 cm.
The bones of a saber-toothed tiger are found to have an activity per gram of carbon that is 15.3% of what would be found in a similar live animal. How old are these bones (in years)
In which scenario do you experience the larges acceleration? Explain why using physical principles you have learned.
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