+61-413 786 465
info@mywordsolution.com
Home >> Physics
A 95-kg water skier floating in a lake is pulled from rest to a speed of 13 m/s in a distance of 30 m.
What is the net force exerted on the skier, assuming his acceleration is constant?
Physics, Academics
Question: In a pig-calling contest, a caller produces a sound with an intensity level of 107 dB. How many such callers would be required to reach the pain level of 120 dB? The response must be typed, single spaced, must ...
Question: A spherical balloon has a radius of 6.95m and is filled with helium. The density of helium is 0.179 kg/m3, and the density of air is 1.29 kg/m3. The skin and structure of the balloon has a mass of 960kg . Negle ...
The equation for motion for the ideal spring-mass system as derived in class is, ma+kx=0, where, m=mass, a=acceleration, k=spring stiffness, and x=displacement. 1) Describe briefly how the equation for motion arises from ...
A body moving with uniform acceleration has a velocity of 18.9 cm/s when its x coordinate is 1.88 cm. If its x coordinate 2.68 s later is -5.03 cm, what is the x-component of its acceleration? Answer in units of cm/s2.
Question: The starter motor of a car engine draws an electric current of 110 A from the battery. The copper wire to the motor is 4.20 mm in diameter and 1.73 m long. The starter motor runs for 0.95 s before the car engin ...
What is the (average) acceleration of a vehicle which speeds up from 22 m/s to 88 m/s in 21.2 seconds? please provide work to explain
Question: A peregrine falcon in a tight, circular turn can attain a centripetal acceleration 1.5 times the free-fall acceleration. If the falcon is flying at 20 m/s, what is the radius of the turn? The response must be t ...
Question: At what speed does a ball hit the ground if you toss a 120 g ball straight up to just touch the 12-m-high roof of the gymnasium if you release the ball 1.5 m above the ground? Solve this problem using energy. T ...
Question: Three odd-shaped blocks of chocolate have the following masses and center-of-mass coordinates: (1) 0.300kg , (0.300 m, 0.300 m); (2) 0.400kg , (0.200 m, -0.400 m); (3) 0.200 kg , (-0.300m , 0.600 m). Find the x ...
A car accelerates down a hill, going from the rest to 30.0 m/s in 6.00 s. A toy inside the car hangs by a string from the car's ceiling. The ball in the figure represents the toy, of the mass 0.200 kg. The acceleration u ...
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