07/06/23

Pendulum question in physics 11 2D forces
A student swings on a long rope of length L=5m. The student starts by pulling back at an angle of 𝜃𝜃 = 30Âș as shown below.a. Determine the initial height of the student by solving the highlighted... more
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12/31/21

Will someone please help me with these Physics questions.

A pebble that is 3.81 m from the eye of a tornado has a tangential speed of 124 m/s. What is the magnitude of the pebble's centripetal acceleration? Remember the centripetal acceleration equation... more
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04/02/21

how do i solve this?
If tant=−34 and π2 <t< π, find sint, cost, sect, csct, cott.
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12/24/20

Help with the second one please!?
A car is traveling around a circular racing course. The car travels from rest and gradually climbs to a max velocity of 140 m/s. Given the radius of the track is 100 meters and the car goes around... more
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11/06/20

What does the scale read?
A person stands on a scale inside an elevator at rest (see the figure below). The scale reads W = 752 N.What is the person's mass?The elevator accelerates upward momentarily at the rate... more
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08/28/20

I need help with angles of a triangle

The sum of the measures of two angles of a triangle is twice the measure of the third angle. The measure of the second angle is 28 degrees less than the measure of the third angle. What is the... more
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05/22/20

Identify the constant difference for a hyperbola with foci (−6, 0) and (6, 0) and a point on the hyperbola (4, 0).

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05/08/20

If sec α = -5/3 and α has its terminal side in quadrant II, find the exact value of tan 2α
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04/29/20

Calculus (percent symbol)
A company has a policy of retiring company cars; this policy looks at number of miles driven, purpose of trips, style of car and other features. The distribution of the number of months in service... more
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04/23/20

Deratives and Curves
Consider the equation below. (Round the answers to three decimal places. If you need to use -∞ or ∞, enter -INFINITY or INFINITY.)fx) = e8x + e-xI am having a hard time find the zeroes so I can... more
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04/23/20

Need some help with Deratives and Curves
Consider the equation below.f(x) = 7 sin x + 7 cos x0 ≀ x ≀ 2π(a) Find the intervals on which f is increasing. (Enter the interval that contains smaller numbers first.)(b)Find the interval on... more
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04/23/20

what is −3R+9U in polar form?
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04/17/20

Are These Algebra 2 Answers Correct?
The organism grew exponentially. At first, it had 1200 cells. After two days it had 3000. Which of the following comes closest to the number of cells it will have after five MORE days?(A) 11,900(B)... more
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04/04/20

Roberto has $200 in spending money. He wants to buy some video games that cost $25.50 each. Write and solve an inequality to find the number of games, g, that Roberto can buy.
How many games, g can he buy if the games are $25.50 each, and he can only spend $200.
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04/03/20

The height of a toy rocket in feet is molded by h=-8^2 + 48x. where x is the time in seconds after it is launched. how long is the rocket in the air
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04/03/20

What is the correct answer?
A ball is thrown from a height of 5 feet. The ball will travel upward at a rate of 12 meters/second Gravity will pull the ball downward which will slow its rate about 4 meters/second2. With this... more
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03/20/20

Snell law and EM wave properties
1.A light wave has a frequency of  4 x 108. What is the wavelength of the light wave? (Assume the speed of light to be 3 x 108.)2.A wavelength of light is 300 m. What is the frequency?3.Light... more
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03/06/20

Percent change/exponential functions
A cup of coffee at 100°C cooled to 46.3°C after 15 mindetermine the percent decrease of temperature in each minute use an exponential function to predict the temperature of the coffee after 30... more
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03/05/20

PHYSICS HELP PLEASE
Determine magnitude of the electric field at the point P shown in the figure(Figure 1). The two charges are separated by a distance of 2A  from the midpoint between them. Point P is on the... more
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12/12/19

Quadratic Word Problem
A rectangular picture frame measures 20 cm by 30 cm. The picture frame has a uniform width around the picture. The area of the picture is to be equal to the area of the picture frame. What is the... more
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10/22/19

How can I extract all the attachments attached in emails in my Outlook 2013 inbox together?
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10/21/19

Is there a better email service provider than Gmail now, if so what is it and what is better about it?
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10/19/19

Which .pst file holds my contacts and calendar?
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07/08/14

How do I find (fog)(x) with the given equations f(x)=8x+2 and g(x)=x^2-8 ?
normally I would know hoe to solve this is a number was in the place of the x but since the x is there, I'm stuck.
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