02/15/24

physics towbar question
A skier is pulled up a slope at a constant velocity by a tow bar. The slope is inclined at 23.9∘∘ with respect to the horizontal. The force applied to the skier by the tow bar is parallel to the... more
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02/09/24

find acceleration given radius and mass
Suppose a new planet is discovered, with the same radius as earth, but has a mass that istwice that of Earth. What is the acceleration due to gravity g near this planet's surface?
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04/20/22

Use this table of values that gives the rate of water flow during an 8-minute shower.
Use this table of values that gives the rate of water flow during an 8-minute shower.Using the trapezoidal rule with 8 equal subintervals, what is the total amount of water used during the... more
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04/19/22

Find an expression, in terms of r and T, for the rate of change of the volume (V cm^3) of a glass sphere.
In the production process of a glass sphere, hot glass is blown such that the radius, r cm, increases over time (t seconds) in direct proportion to the temperature (T °C) of the glass.Find an... more
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04/05/22

The weights of the bags are normally distributed. It has been calculated that 99.7% of the bags fall between 24.28kg and 25.72 kg. What is the standard deviation of the data?
A volunteer group is packaging bags of rice to send to a foreign country. The weights of the bags are normally distributed. It has been calculated that 99.7% of the bags fall between 24.28kg and... more
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04/05/22

∠1 and ​∠2​ are vertical angles. ∠2​ has a measure of 63°. What is the measure of ​∠1​? Enter your answer in the box.
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03/31/22

Pre-Calculus chapter 6.1
A Ferris wheel is 45 meters in diameter and boarded from a platform that is 2 meters above the ground. The six o'clock position on the Ferris wheel is level with the loading platform. The wheel... more
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03/30/22

C has a diameter with endpoints of (−5,3) and (1,−5). Select another point located on circle C
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03/29/22

For the function r(z) = -4 sin(2z) + 1, indicate the amplitude, period, and equation of the midline.
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03/28/22

A rocket is launched straight up with a velocity of 4.26 m/s. What would be the velocity when it lands?
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03/28/22

WHAT WILL BE JL
What is JL?JL =  cm
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03/25/22

What is the initial vertical velocity?
While performing a maximum vertical jump, a 70 kg athlete achieves a maximum vertical jump height of 0.25 m (assume their hand and CoM are displaced vertically an equal amount). What was their... more
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03/25/22

Full answer explanation to: Three resistors R1 = 3Ω, R2 = 6Ω and R3 = 9Ω are connected in series to each other and to a 36V battery. Calculate the value for the ammeter after the switch is closed.

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03/24/22

Find the perimeter of the rectangle after dilation.
A rectangle with a perimeter of 147 units is dilated by a scale factor of 3/4. Find the perimeter of the rectangle after dilation. Round your answer to the nearest tenth, if necessary.
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03/24/22

find the amount of heat that must be extracted from 1.5 kg of steam at 110 C to convert it to ice at 0.0 C
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