+61-413 786 465
info@mywordsolution.com
Home >> Physics
When a 50-gram piece of aluminum at 100 degrees celsius is placed in water, it loses 735 calories of heat while cooling to 30 degrees celsius. Calculate the specific heat capacity of the aluminum.
Physics, Academics
Question: A rectangular wooden block of weight W floats with exactly one-half of its volume below the waterline. The wooden block is removed from the water bath and placed in an unknown liquid. In this liquid, only one-t ...
Can you please help me figure out what to do in this equation and why? While passing between Earth & Moon, a spacecraft is located on line connecting centers of two bodies and is at a distance of d=102km from radio anten ...
Question: A person takes a trip, driving with a constant speed of 89.5 km/h, except for a 22 minute rest stop. If the persons average speed is 77.8 km/h how much time is spent on the trip and what distance did they trave ...
A hunter wishes to cross a river that is 1 km wide and that flows with a speed of 3 km/h. The hunter uses a small powerboat that moves at a maximum speed of 11 km/h with respect to the water. What is the time necessary f ...
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 ...
Question: Suppose we could shrink the earth without changing its mass. At what fraction of its current radius would the free-fall acceleration at the surface be three times its present value? The response must be typed, ...
Question: A rifle with a barrel length of 59cm fires a 8g bullet with a horizontal speed of 430m/s . The bullet strikes a block of wood and penetrates to a depth of 15cm. A) What resistive force (assumed to be constant) ...
Question: A student standing in a canyon yells "echo," and her voice produces a sound wave of frequency of f = 0.56 kHz. The echo takes t = 3.5s to return to the student. Assume the speed of sound through the atmosphere ...
Question: A Pendulum on Mars. A certain simple pendulum has a period on the earth of 1.65 s. What is its period on the surface of Mars, where g = 3.71 m/s 2 ? The response must be typed, single spaced, must be in times n ...
Question: The three 250g masses are connected by massless, rigid rods. What is the triangle's moment of inertia about the axis through the center? What is the triangle's kinetic energy if it rotates about the axis at 6. ...
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