+61-413 786 465
info@mywordsolution.com
Home >> Physics
A solid sphere has a radius of 0.35 m and a mass of 120 kg. How much work is required to get the sphere rolling with an angular speed of 40 rad/s on a horizontal surface? Assume the sphere starts from rest and rolls without slipping.
Physics, Academics
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 ...
A woman wishing to know the height of a mountain measures the angle of elevation of the mountaintop as 12°. After walking 1.23 km closer to the mountain on level ground, she finds the angle to be 15.8°. Find the height o ...
Question: A proton (with a rest mass m=1.67Ã-10âˆ'27kg) has a total energy that is 4.00 times its rest energy. Part A: What is the kinetic energy Ek of the proton? Express your answer in billions of electron volts to thr ...
An object falls because of gravity at a rate of -980 cm/s2 (- sign is indicative of a downward direction) for 10. seconds. If it starts from rest (vo = 0) and its position starts from do= 0.0, where is it 10. seconds lat ...
Question: A rocket starts from rest and moves upward from the surface of the earth. For the first 10.0 s of its motion, the vertical acceleration of the rocket is given by ay=(2.60m/s3)t, where the +y-direction is upward ...
Question: A rock is dropped from a sea cliff and the sound of it striking the ocean is heard 3.3 s later. If the speed of sound is 340 m/s, how high is the cliff? The response must be typed, single spaced, must be in tim ...
Question: A skydiver has his parachute open and is floating downward through the air at a constant speed. Identify all the forces acting on the system skydiver-parachute. Check all that apply. Weight, w? Normal force, n? ...
Question: Part A: How much time does it take light to travel from the moon to the earth, a distance of 384000 km ? Express your answer in seconds to three significant figures. Part B: Light from the star Sirius takes 8.6 ...
Question: In an old-fashioned amusement park ride, passengers stand inside a3.0-m-tall, 5.0-m-diameter hollow steel cylinder with their backsagainst the wall. The cylinder begins to rotate about a verticalaxis. Then the ...
Question: Suppose the emf generated by a coil rotating in a magnetic field is zero at t=0, and increases to its first peak at t0=0.11ms. A) What is the angular velocity of the coil in rad/s? B) At what time (relative to ...
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