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Q. If you are in an automobile accident with an initial speed of 118 and are stopped by an airbag that inflates from the dashboard, over what distance should the airbag stop you for you to survive the crash?
Q. A rabbit runs in a straight line with a velocity of +1.6 m/s for a period of time, rests for 9 s, and then runs again along the same line at +0.55m/s for an unknown amount of time. The rabbit travels a total distance of 1116m, and its average speed is 0.79m/s.
(i) What is the total time the rabbit spends running at 1.6 m/s?
(ii) How long does it spend running at 0.55 m/s?
What is the acceleration of the crate.Describe a procedure to investigate the factors.
A 130- baseball, moving along the axis with speed 35 , strikes a fence at a 45 angle and rebounds along axis with unchanged speed Give the - and - components of its change in momentum.
A force of k is applied to an object for a small fraction of a second, t_k, less than the duration of one frame, t_f. Our simulation doesn't support applying forces for less than an entire frame, so if we wanted to simulate the effect of force k over..
Considered frequency and draw the nodal maps
A 2 kg rock is released from rest at a height of 29 m. neglect air resistance and determine the kinetic energy, gravitational potential energy, and total mechanical energy at each of the following heights: 20m; 15m; 5m; 9m.
Compute the camels eastward displacement
Valerie is able to do 1200 joules of work in 10seconds. Brett is able to do 5000 joules of work in 50 seconds. Who is more powerful.
An oscillating LC circuit has a current amplitude of 7.50 mA, a potential amplitude of 250 mV, and the capacitance of 220 nF. What are (a) the period of oscillation.
A chair of weight 74.0 N lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of F = 47.0 N directed at an angle of 41.0^circ below the horizontal and the chair slides along floor.
A 0.50-kg object is attached to an ideal massless spring of spring constant 20 N/m along a horizontal, frictionless surface. The object oscillates in simple harmonic motion and has a speed of 1.7 m/s at the equilibrium position.
A helicopter is ascending vertically with a speed of 9 m/s. At a height of 200 m above the Earth, a package is dropped from a window. How much time does it take for the package to reach ground.
What is the magnitude of the passenger's acceleration.
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