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You observe a rocket propelled car driven off a cliff by Mr. Evel Knievel. You measure a horizontal acceleration of 9.8m/sec2 and you remember from you physics class that the vertical acceleration has the same magnitude. Assuming that he started at the edge of the cliff from rest (and that the rocket is firing horizontally the whole time).
What are the horizontal and vertical position and the distance from the starting point of the rocket car as a function of time?
How long does it take to travel a distance of 5km from the starting point?
What is the velocity and speed as a function of time?
At what angle should the ramp be built at the bottom of the canyon so that down?
Three charges are located at 100-m intervals along a horizontal line: a charge of -3.0 C on the left, 2.0 C in the middle, and 1.0 C on the right. What is the electric field on the horizontal line halfway between the -3.0 C and 2.0 C charges
The electric potential at a position placed a distance of 18 millimeter from a positive point charge of 7.40 × 10-9 C, Estimate the value of the second charge
A 3.20 kg block of wood sits on a table. A 2.50 g bullet, fired horizontally at a speed of 600 m/s, goes completely through the block, emerging at the speed of 180m/s. What is the speed of the block immediately after the bullet exits.
Two forces F1 (60.0 N) and F2 (45.0 N) pull a box sitting on the floor. Makes 15° and 75° relative to the horizontal plane, respectively. Determine the x- and y- components of the resultant force
A rotating wheel needs 8.00 s to rotate 29.0 revolutions. Its angular velocity at the end of the 8.00 s interval is 100.0 rad/s. What is the constant angular acceleration of the wheel?
Water is pumped into a storage tank from a well delivering 15.0 gallons of water in 34.0 seconds through a pipe of 1.00 in.2 cross-sectional area.
A wire (length = 2.0 m, diameter = 1.0 mm) has a resistance of 0.45ohm. What is the resistivity of the material used
A person lifts a 5kg cement block a vertical distance of 2.3m and after that aeries the block horizontally a distance of 6m. Determine the work completed by the person and by the force of gravity in this process.
A generator supplies 140 V to a transformer's primary coil, which has 70 turns. If the secondary coil has 610 turns, what is the secondary voltage
A 2.9kg block slides with a speed of 1.3m/s on a frictionless horizontal surface until it encounters a spring. What initial speed should the block have to compress the spring by 1.2 cm
A constant net force of 75N acts on an object initially at rest as it moves through a parallel distance of 0.60m. What is the final kinetic energy of the object
A race car starts from rest on a circular track of radius 515 m. The car's speed increases at the constant rate of 0.330 m/s2. determine the speed of the race car
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