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A 72 W light bulb with a resistance of 175 Ω is connected to a power supply with a 117 V. What is the internal resistance of the power supply?
Think of the beavers digestive organ system. Explain its overall roll list several of the organs in thee system describe how each functions and outline how the organs work together to carry out the ro
A rifle bullet with a mass of 17.5 g traveling toward the right at 217 m/s strikes a large bag of sand and penetrates it to a depth of 24.9 cm. Determine the magnitude and direction of the friction
An inhibitor of phosphodiesterase activity would have which of the following effects?
After impact, the block slides 7.5 m before coming to rest. If the coefficient of kinetic friction between block and surface is 0.60, what was the speed of the bullet immediately before impact?
If the two buckets are pulled upward with an acceleration of 1.90 m/s2 by the upper cord, calculate the tension in each cord(lower and upper)?
An electron is moving through a magnetic field whose magnitude is 88 x 10^-5 T. The electron experiences only a magnetic force and has an acceleration of magnitude 38 x 10^+13 m/s2. At a certain in
A 20g rifle bullet traveling 230 m/s buries itself in a 3.9 kg pendulum hanging on a 2.7 m long string, which makes the pendulum swing upward in an arc. Determine the vertical and horizontal compon
Find the magnitude and direction of the resultant displacement. Express the direction with respect to due west. (Positive is counterclockwise from due west.)
Was the interior of the amoeba homogenous or was there an indication of various organelles?
A roller coaster cart of mass m = 211 kg starts stationary at point A, where h1 = 27.8 m and a while later is at B, where h2 = 14.7 m. The acceleration of gravity is 9.8 m/s What is the potential e
Estimate the terminal speed of a wooden sphere (density 0.830 g/cm3) falling through air, if its radius is 8.00 cm and its drag coefficient is 0.500.
Somatic cells is in incubation with hydrogen sulfide.What will happen?
An object is hanging from a spring balance and also it is supported by a digital balance.Spring balance reads 2.6N and the digital balance reads 3. 8 N, find the weight of the object.
The potential at location A is 481 V. A positively charged particle is released there from rest and arrives at location B with a speed vB. The potential at location C is 898 V, and when released fr
Testosterone and estradiol are male and female sex hormones, respectively in many vertebrates. in what ways do they differ
Suppose that a diffraction grating produces first-order tracking beams 1.2 mm apart at a distance of 3.o mm from the grating. Estimate the spacing between the slits of the grating.
While the woman walks, she maintains a constant speed of 3.0 m/s relative to the raft. Find the total kinetic energy of the system (woman plus raft)
How does the integumentary system affect the skeletal system?
The end of the rod, and is pulling on it horizontally to create an opposing torque. The rope creates a 67.0° angle with the rod. With what force should Matt pull so that the net torque on the ro
If the puck has a radius of 2 cm, what is the ratio of angular to linear velocity for which the kinetic enerhy of linear motion equals that of rotational motion?
Stomata density serve as a bioindicator for monitoring the response of plants to changes in greenhouse
A car is driven east for a distance of 18 km, then north for 55 km, then in a direction 30 degrees east of north for 25 km. Determine the magnitude of the displacement (in kilometers) of the car fr
What is a sentence with endomorphic in it?
A coin is placed 11.0 {rm cm} from the axis of a rotating turntable of variable speed. When the speed of the turntable is slowly increased, the coin remains fixed on the turntable until a rate of 3