02/26/24

Find Force given velocity, time and mass
A 512 g ball strikes a wall at 15 m/s and rebounds at 12.1 m/s. The ball is in contact with the wall for 0.049 s. What is the magnitude of the average force acting on the ball during the collision?... more
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02/25/24

Find Velocity given kinetic and momentum
A 0.18 kg ball of dough is thrown straight up into the air with an initial speed of 12 m/s. The acceleration of gravity is 9.81 m/s 2 . a) What is its momentum at its maximum height? Answer in... more
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02/24/24

A sinking fund is established by a working couple so that they will have $80,000 to pay for part of their daughter's education when she enters college.
A sinking fund is established by a working couple so that they will have $80,000 to pay for part of their daughter's education when she enters college. If they make deposits at the end of each... more
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02/08/24

Y-intercept of equation
-2y+x=2
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02/07/24

find the acceleration rate if the force is 200N and the mass object is 150kg
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01/13/24

difference between g as acceleration in space and centripetal acceleration in space?
g= GM/r^2, ac= v^2/r. do they both give acceleration? What is the difference between these two?
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09/23/23

Modern Physics - Problem Set
a tower whose height on the earth is exactly 150 m is lying parallel to the axis of a spacecraft. the spacecraft is moving at 0.60e relative to the earth. what is his height as measured by an... more
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09/20/23

A bobsled team accelerates from rest at 6.4 m/s^2 for 8.6 seconds. After reaching this top speed, they glide down the track at a constant velocity for another 5.8 seconds.

A bobsled team accelerates from rest at 6.4 m/s^2 for 8.6 seconds. After reaching this top speed, they glide down the track at a constant velocity for another 5.8 seconds. What is the overall... more
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09/14/23

A 0.394 m  length
A 0.394 m  length of current-carrying wire is placed in a uniform magnetic field oriented perpendicularly to the wire. The current is 3.64 A  and the magnitude of the magnetic field is 0.303 T .... more
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09/12/23

How long was Manuel on the​ train?
Manuel traveled 8 hours nonstop to​ Mexico, a total of 508 miles.He took a train part of the​ way, which averaged 70mph, ​and then took a bus the remaining distance, which averaged 30mph. How long... more
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09/11/23

If particle motion does not require particle length and particle frequency, why does wave motion require wavelength and frequency?
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09/09/23

z + (z - 6) - 2 = -10
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09/09/23

college algerbra
write in interval notation: 50 is less than or equal to 3x-4 and negative 3/6 is greater than or equal to 177/6
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09/09/23

Write an equation for each parabola
A parabola with x-intercepts at (-1,0) and (3,0) which passes through the point (1,-8)A parabola with x-intercepts at 0 and 1 and which passes through the point (2,-2)
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09/06/23

Electric forces
Given the arrangement of charged particles shown in the figure below, find the net electrostatic force on the Q2 = 3.00 nC charged particle located at the origin. (Express your answer in vector... more
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09/06/23

Point D is in the interior of ∠ABC, m∠ABC = 10x − 7, m∠ABD = 6x + 5, and m∠DBC = 36° . What is m∠ABD ?
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09/06/23

Efficiency of heat engine
How does the efficiency of heat engine change when operating at different temperatures?
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09/06/23

Enter the answer to the correct number of significant figures for this calculation, using the rules for significant figures. 1310 ✕ 3.14175 = 4115.693
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09/05/23

Chapter 10 Question
 Please describe the fusion reaction that is going on in the core of the Sun, and that allows the Sun to emit such enormous amount of energy? What are the starting elements? What are the product... more
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09/05/23

PLS help! A planet orbits a star.
b) In general, the gravitational potential energy for a planet orbiting a star is given by U = -(G*mplanet*mstar)/r. The maximum distance of this planet from its star is 700,000,000 km, and the... more
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09/05/23

what is the product of eight and the sum of three squared and four cubed
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09/04/23

I'm stuck on this math problem, please help ASAP! I'm at a loss of time and the help is very much appreciated.
Find the volume and surface area of a triangular prism whose base is triangle of side lengths 60cm-50cm-50cm. and height 100cm.
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08/29/23

Please Help Answer Questions!

1) When you are reading the results of scientific experiments, what are some features that you would expect to see in the design of a high-quality experiment? 2) How does... more
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08/29/23

f(x)=|x+3|; horizontal stretch by a factor of 4
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08/28/23

At what time 𝑡meet after the blue ball is thrown are the two balls at the same height in the air?
A blue ball is thrown upward with an initial speed of 22.6 m/s from a height of 0.85 m above the ground. 2.76 seconds after the blue ball is thrown, a red ball is thrown down with an initial speed... more
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