09/28/23

With what minimum horizontal velocity must the cliff divers leave the top of the cliff if they are to miss the rock? Answer in units of m/s.
Cliff divers at Acapulco jump into the sea from a cliff 37.1 m high. At the level of the sea, a rock sticks out a horizontal distance of 11.39 m. The acceleration of gravity is 9.8 m/s 2 . With... more
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09/12/23

Two protons are maintained at a separation of 943 nm. Calculate the electric potential due to the two particles at the midpoint between them. Then, find the magnitude and direction of the electric fie
Two protons are maintained at a separation of 943 nm. Calculate the electric potential due to the two particles at the midpoint between them. Then, find the magnitude and direction of the electric... more
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09/12/23

Unit 1 Question
Please describe the following two processes: nuclear fission, and nuclear fusion. Briefly describe both processes in your own words, write one example reaction for each of the processes,... more
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05/22/23

type as an integer or decimal rounded to three decimal points as needed
Hooke's Law. The distance d when a spring is stretched by a hanging object varies directly as the weight w of the object. If the distance is 30 cm when the weight is 3 ​kg, what is the distance... more
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05/22/23

Tutor was not a match for the material
Hello,Please advise. My son scheduled a tutor session for a college physics assignment for 1:00 today. Within the first half hour he realized this was not a good match. The tutor spent 20 minutes... more
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05/13/23

Please help with this question

Spitting cobras can defend themselves by squeezing muscles around their venom glands to squirt venom at an attacker. Suppose a spitting cobra rears up to a height of 0.480 m above the ground and... more
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05/13/23

please help with this question

If raindrops are falling vertically at 6.30 m/s, what angle from the vertical do they make for a person jogging at 2.79 m/s? (Enter your answer in degrees.)
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05/11/23

particle on a ring, quantum mechanics
A)Explain the reason why Ψ(x) = Acos(πx/L) is not able to describe a particle of mass m in a ring of length L. B) On the other hand, explain why Ψ(x) = Acos^2(πx/L) is.C) When momentum is... more
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05/08/23

What are the first three harmonics of a note produced on a 30.2 cm long string if waves on this string have a speed of 273.4 m/s?
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05/08/23

Two violin players tuning their instruments together hear 65 beats in 2 s. What is the frequency difference between the violins?
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05/08/23

A football punter accelerates a 0.43 kg football from rest to a speed of 8.5 m/s in 0.30 s, what constant force does the punter exert on the ball?
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02/13/23

Work and Energy Question
 An archery bow is drawn a distance d = 0.49 m and loaded with an arrow of mass m = 0.071 kg. The bow acts as a spring with a spring constant of k = 167 N/m, and the arrow flies with negligible air... more
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10/12/22

A block of mass 60.0 kg is suspended at rest by two cables shown below. The top is ceiling, and the left side is wall.
a) Calculate the tension force T1b) Calculate the tension force T2
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10/12/22

Factor Each poloynomial
m^2-x^2-y^2+2xy
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10/05/22

inequality help
the difference of y and 3 is greater than or equal to -18
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10/04/22

f(x)=|x|; reflection in the x-axis and a vertical shrink by a factor of 1/3 followed by a translation 8 units up and 2 units left
f(x)=|x|; reflection in the x-axis and a verticals shrink by a factor of 1/3 followed by a translation 8 unites up and 2 units left
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10/03/22

a) At what angle above the horizontal was the ball thrown if its initial speed was 15m/s, assuming the smaller of the two possible angles was used?
A rugby player passes a ball 8m8m across a field to a teammate, where it is caught at the same height as it left his hand. Treat the effect of air resistance to be negligible. Include units as... more
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10/03/22

finding the density of a moon
Jupiter’s moon, Europa, has a radius of 3,130 km and a mass of 4.8 × 1022 kg. Calculatethe density of Europa. Remember, density is defined as the mass per unit volume. I’veworked out the volume of... more
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10/03/22

Determine whether each ordered pair is a solution to the inequality y<x−3.
(-9,-3)(4,-10)(5,4)(2,3)(-5,5)Ps.when I did my work while waiting I got the first solution as false along with the third and last one of the solutions and the ones I got true were the second and... more
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10/03/22

What is the speed of sound (in m/s) in carbon dioxide at the normal boiling temperature of water?
What is the speed of sound (in m/s) in carbon dioxide at the normal boiling temperature of water?
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10/02/22

High School AP Physics
Is this an area you tutor in regularly?
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10/02/22

A total charge Q is distributed uniformly over a rod of length L. The rod is aligned on the x- axis, with one end at the origin and the other at the point x = L. Calculate the field at point (L/2, D)
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09/28/22

A landowner has a triangular piece of land that she wants to fence. Starting at the west-most corner, the first side to be A=70m long and the next side to be 𝐵=95m long. What is her result?
A new landowner has a triangular piece of land that she wishes to fence. Starting at the west-most corner she measures the first side to be 𝐴=70mA=70m long and the next side to be 𝐵=95mB=95m long... more
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09/19/22

Find the domain of f/g with the functions are equal to:
f(x)=x3 g(x)=5x2+27x-18 How do I start this problem and what other processes will be needed to complete it and get the correct answer in interval notation form?
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09/19/22

A car traveling at 10 m/s starts to negatively accelerate steadily. It comes to a complete stop in 20 seconds. What is its acceleration?
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