Mechanics | Relativity Answers

A daredevil decides to jump a canyon. It's walls are equally high and 12 m apart. He takes off by driving a motorcycle up a short ramp sloped at an angle of 19°. What minimum speed must he have in order to clear the canyon?

calculate the force exerted on a rockeg if propelling gases are expelled at 1000kg/s woth a speed of 600 m/s

A ski jumper travels down a slope and leaves
the ski track moving in the horizontal direction with a speed of 23 m/s as in the figure.
The landing incline below her falls off with a
slope of θ = 56◦.The acceleration of gravity is 9.8 m/s2.
Don't round answer

The distance from the nadir to the base of the building is 3.42 in. and to the top of the same building is 3.60 in. The flying height above sea level was 11,400 feet and the ground elevation of the base of the building is 1400 feet. Calculate the height of the building.

Vector A is in the direction 34.0* clockwise from the
Y axis. The x-component of A is Ax= -16.0m. (a) What is the Y-component Of A? (b) What is the magnitude of A?

. Compute the x- and y-components of the vectors.. ,A=8.00m, B=15.00m, C=12.00m and D=10.0

A body of mass 20kg was projected into space at an angle of 40° calculate
(a)time taken to reach the maximum height
(b)the maximum height reached
(c)the range

A particle P of mass 1.2kg is released from rest at the top of a slope and start to move.The slope as length 4m and is inclined at 25degree to the horizontal.The coefficient of friction between P and the slope is 0.25. find (i) the frictional component of the contact force on p (ii) the acceleration (iii) the speed with which P reaches the buttom of the slope.( Take g=10m/s)

A pole support by a steel wire is in the way of construction site. In order to move heavy to machine, the steel wire must be moved 4m closer to the pole. If the pole height is 30m and the cable is currently fastened to the ground 12m from the pole, how much steel wire need to cut off from the cable when they move it?

Draw spacetime diagram both showing car and the house when speedometer increases to 30mph