6. A rifle is aimed horizontally at a target 50 m away. The bullet hits the target 2.0 cm below the aim point. (a) What was the bullet's flight time? (b) What was the bullet's speed as it left the barrel?

A rock is thrown out from the top of a 10 m tall building. The initial velocity and angle of the rock are 3 ?/? and 20° below horizontal.(a) What are the horzontal and vertical components of the rock’s initial velocity?(b) How long does it take the rock to hit the ground? (c) What is the horizontal distance, ?, traveled by the rock?

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At a long distance shooting match, a bullet is fired with a muzzle velocity of 3000 feet per second from a rifle held in the horizontal position. When fired the sights of the rifle was dead center of a target. The bullet strikes the target at 4.00 ft below the center of the target. How long (in seconds) did it take for the bullet to reach the target? How far away (in unit of yards) was the target? Neglect any air resistance to the bullet.  Make a simple sketch. Make a list of all given values, units, and the variables they represent. write the general form of the equation you are going to use. Insert the known values and solve. For problems with vertical motion State at the start of the problem which direction is positive by using an up or down arrow. Keep the velocity components and time to 2 decimal places

Problem 1: An object is thrown off the top of a 6.2-m tall building with a velocity of 2.9 m/s at an angle of 37° with respect to the horizontal. Part (a) How long is the object in the air in seconds? S sin() cos() tan() 7 8 9. НОME cotan() asin() acos() 4 6 atan() acotan() sinh() 1 3 cosh() tanh() cotanh() END O Degrees O Radians CLEAR Part (b) What is the horizontal distance the object covers in meters?

Verify the ranges for the projectiles (a) forθ = 45º and the given initial velocities. Verify the ranges shown for the projectiles in Figure3.41(b) for an initial velocity of 50 m/s at the given initialangles

Physics A miniature quadcopter is located at x, = 2.25 m and y, =-2.70 m at t = 0 and moves with an average velocity having components Yav, x = 1.70 m/s and Yav, y =-2.50 m/s. What are the x- coordinate and y-coordinate (in m) of the quadcopter's position at t = 1.60 s? x-coordinate = y-coordinate = Please help! Thank you in advance!

A flat-bed truck travels East on a highway at 80.0km/h.  As the truck is moving, a cyclist is inside, pedaling at 4.5m/s [East] relative to the truck.  The cyclist throws a banana peel backwards over his shoulder at 5.50m/s relative to himself.  Determine the velocity of the banana peel relative to the highway.     ty

4. A hockey player makes a shot 4m away from goal at a horizontal velocity of 15 m/s. How long does the goalie have to react to the shot?

A certain volcano on the Earth can eject rocks vertically to a maximum height H. How high (in terms of H) would these rocks go if a volcano on a planetary object ejected them with the same initial velocity? The accelerations due to the gravity on the Earth and the planetary object are 9.8m/s² and 3.1 m/s?, respectively. Neglect the effect of the air on both planets. 답: