You push a skateboard so that it rolls down the road at a speed of 0.700 m/s. You run after the skateboard and jump off the ground with speed 3.10 m/s and an angle of 23.0° above the horizontal hoping to land on the skateboard. How much distance do you need between you and the skateboard to land on it?
Question
You push a skateboard so that it rolls down the road at a speed of 0.700 m/s. You run after the skateboard and jump off the ground with speed 3.10 m/s and an angle of 23.0° above the horizontal hoping to land on the skateboard. How much distance do you need between you and the skateboard to land on it?
Solution
To solve this problem, we need to find the time it takes for you to land on the skateboard and then use that time to find the distance the skateboard travels.
Step 1: Find the time it takes for you to land on the skateboard.
We can use the equation of motion: h = v_iyt - 0.5g*t^2, where h is the height (which is 0 because you land at the same height you jumped), v_iy is the initial vertical velocity, g is the acceleration due to gravity (9.8 m/s^2), and t is the time.
First, we need to find the initial vertical velocity (v_iy). We can find this by multiplying the initial speed by the sine of the angle: v_iy = 3.10 m/s * sin(23.0°) = 1.23 m/s.
Then we can plug v_iy and h into the equation and solve for t: 0 = 1.23 m/s * t - 0.5 * 9.8 m/s^2 * t^2. Solving this quadratic equation gives t = 0.25 s.
Step 2: Find the distance the skateboard travels.
We can use the equation d = v*t, where d is the distance, v is the velocity of the skateboard (0.700 m/s), and t is the time we found in step 1.
So, d = 0.700 m/s * 0.25 s = 0.175 m.
Therefore, you need 0.175 m of distance between you and the skateboard to land on it.
Similar Questions
Suav wants to use a sheet of fiberboard 27 inches long to create a skateboard ramp with a 19degrees ∘ angle of elevation from the ground. How high will the ramp rise from the ground at its highest end? Round your answer to the nearest hundredth of an inch if necessary.
Allison is skateboarding across a level road. The coefficient of static friction is 0.450 between Allison's shoes and the skateboard. If there is a hole in the road 13.1 m up ahead and Allison is able to stop without sliding off of the skateboard, what is the maximum velocity she could have initially been travelling?
A boy of mass 50 kg stands on a board of mass 150 kg which in turn is kept on a frictionless horizontal ice surface. The boy makes a jump with a velocity component 15 m/s in horizontal direction with respect to the ice. With what rate in m/s are the boy and the board separating from each other?
10-foot board rests against a wall. The angle that the board makes with the ground is 60°. How far is the base of the board away from the wall?Select the correct trig ratio and distance from wall.
A football is kicked up in the air with an initial speed of 18.7 m/s and at an angle of 38.5o above the horizontal. How far from the original kick does it land? 55.9 m 34.8 m 17.4 m 44.4 m
Upgrade your grade with Knowee
Get personalized homework help. Review tough concepts in more detail, or go deeper into your topic by exploring other relevant questions.