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A small rock moves in water, and the force exerted on it by the water is given by equation f=kv. The terminal speed of the rock is measured and found to be 1.7m/s . The rock is projected upward at an initial speed of 5.5 m/s . You can ignore the buoyancy force on the rock.a - In the absence of fluid resistance, how high will the rock rise?b- In the absence of fluid resistance, how long will it take to reach this maximum height?c- When the effects of fluid resistance are included, what are the answers to the question in part A?d- When the effects of fluid resistance are included, what are the answers to the question in part B?
discuss general considerations of various electromagnetic radiations at many wavelengths to study diverse astronomical
Calculate the direction of the net electric field at the origin due to these two point charges
Starting from the top and at rest a block slides down an inclined plane and has a velocity of 1.45 m/s at the bottom. Find the potential energy of the block at the top of the incline
q. an airplane takes off from the only airstrip in a remote area of canada flies 68.0deg north of east for 177 km then
A hydraulic jack is made by a small piston 1.3 cm in diameter that is utilized to move a large piston 6.1 cm in diameter. If a man can exert a force of 360 N on the small piston, how heavy a load can he lift by the jack?
A rectangular plate has a length of (21.3±0.2) cm and a width of (9.8±0.1 cm. Calculate the area of the plate, including its uncertainty
A sample is being analyzed 5800 years after undergoing an alpha decay process. As the technician is analyzing, he observes the sample contains only 8.5% of the radium nuclei it initially contained. What is the half-life of the radium nuclei?
Explain these differences in boiling points utilizing your labels of intermolecular forces and the relative strength of the intermolecular forces.
Remember that the launch angle (?) was 27.5°, the launch height (yi) was 9.59 m, the height of the bucket opening (yf) was 2.5 m, and the range (75 m).
What subatomic particle is emitted when a nucleus fissions? In terms of a chain reaction, explain what is meant by critical mass, subcritical mass, and supercritical mass.
An array of four charges is arranged along the x-axis at intervals of d = 4.8 m. If three of the charges are the same, q = +0.5 µC, and the charge at the far right is -0.5 µC, what is the potential at the origin
What is wavelength in meters of an electron
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