What is the time takes and the speed
A rifle is aimed horizontally at a target 53 m away. The bullet hits the target 2.5 m below the aim point. what is the time takes and the speed?
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A 1.05 liter flask contains a certain quantity of ideal gas at 310 K. Then an equal number of molecules of the same gas is added to the flask, after which the absolute pressure is 1.35 times its original value. What is the final temperature?
A two-slit pattern is viewed on a screen 1.10 m from the slits. If the two fifth-order minima are 76.5 cm apart, what is the total width of the central bright fringe?
A grindstone of radius 4.0m is initially spinning with an angular speed of 8.0 rad/s. The angular speed is then increased to 10 rad/s over the next 4.0 seconds. Assume that the angular acceleration is constant A. What is the average angular speed
A thin circular disk of radius R rotates with angular speed w, about an axis through the centre of the disc and perpendicular to the plane of the disc. A uniform magnetic field B acts parallel to the plane of the disc. If the disc is uniformly cha
a plane is flying southeast at 215 km/h. Suddenly there is a wind from the north at 75km/h. What is the plane's new velocity with respect to the ground in standard position.
A pilot, whose mass is 80.0 kg, makes a loop-the-loop in a fast jet. Assume that the jet maintains a constant speed of 125 m/s and that the radius of the loop-the-loop is 0.557 km. What is the apparent weight that the pilot feels (i.e., the force
A 0.450-kg ice puck, moving east with a speed of 3.00 mis, has a head-on collision with a 0.900-kg puck initially at rest. Assuming a perfectly elastic collision, what will be the speed and direction of each object after the collision?
The coefficient of kinetic friction for a 25 bobsled on a track is 0.10. What force is required to push it down a 5.0 incline and achieve a speed of 64 at the end of 75?
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