+61-413 786 465
info@mywordsolution.com
Home >> Physics
Question: A ball falls from a 30 meter tower. How fast is it going when it has fallen two-thirds of the way to the ground? Assume air resistance is negligible.
I want you to explain the physics in this question.
Physics, Academics
Question: Pluto moves in a fairly elliptical orbit around the sun. Pluto's speed at its closest approach of 4.43 *10^9 km is 6.12 km/s. What is Pluto's speed at the most distant point in its orbit, where it is 7.30 *10^9 ...
A ball is thrown straight up with an initial speed of 30 m/s. How long will it take to reach the top of its trajectory, and high will the ball go? A car slows to a stop with an average acceleration of - 2.5 m/s2. How lon ...
A 78 g basketball is launched at an angle of 44.8? and a distance of 15.9 m from the basketball goal. The ball is released at the same height (ten feet) as the basketball goal's height. A basketball player tries to make ...
Question: Planet X orbits the star Omega with a "year" that is 180 earth days long. Planet Y circles Omega at four times the distance of Planet X. How long is a year on Planet Y in earth days? The response must be typed, ...
Question: You're driving down the highway late one night at 20m/s when a deer steps onto the road 35m in front of you. Your reaction time before stepping on the brakes is 0.50s, and the maximum deceleration of your car i ...
Question: It is proposed that future space stations create an artificial gravity by rotating. Suppose a space station is constructed as a 1000-m-diameter cylinder that rotates about its axis. The inside surface is the de ...
Question: When striking, the pike, a predatory fish, can accelerate from rest to a speed of 3.9m/s in 0.12s . a) What is the acceleration of the pike during this strike? Express your answer using two significant figures. ...
Question: A plastic rod is charged to -20 by rubbing. a. Have electrons been added to the rod or protons removed? Explain. b. How many electrons have been added or protons removed? The response must be typed, single spac ...
A puck is moving on an air hockey table. Relative to an x, y coordinate system at time t = 0 s, the x components of the puck's initial velocity and acceleration are v0x = +7.8 m/s and ax = +5.3 m/s2. The y components of ...
Question: A pendulum is made by tying a 590 g ball to a 47.0 cm-long string. The pendulum is pulled 22.0^\circ to one side, then released. What is the ball's speed at the lowest point of its trajectory? To what angle doe ...
Start excelling in your Courses, Get help with Assignment Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.
Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate
Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p
Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As
Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int
Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As