06/04/21

find the hydrostatic force
A tank full of water is designed with ends in the shape of an isosceles triangle with height 13 meters and width, at the top, of 14 meters. Find the hydrostatic force on one end of the tank in... more
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06/03/21

Physics (energy)
A boy pulls a rope attached to a 22 kg sled on an icy, frictionless surface with an acceleration of 2.0 m/s2. Calculate the work done by the boy if he is pulling the rope at 35° to the horizontal... more
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06/03/21

What is the answer?
5. A spherical tank with a radius of 3 meters is filled with water. How much work is required to pump the water to a height 5 m above the top of the tank?a. Pick a location for the origin.b. Based... more
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06/03/21

Finding initial velocity?

You are playing a video game with birds. The bird is launched exactly horizontally at 11m and travels a total of 38.7 m before hitting the ground. Find the bird's initial velocity
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06/03/21

Find the volume of the solid obtained by rotating the region bounded by y=1/9x^2, x=3, and y=0 about the y-axis. Below is a graph of the bounded region
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06/02/21

projectile Motion
A missile is fired with a launch velocity of 15,000 fps at a target 1,200 mi away. At what angle must it be fired to hit the target? How long after it is fired will the target be hit?
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06/02/21

Projectile Motion
A bomb is dropped from an airplane travelling horizontally with a speed of 300 mph. If the airplane is 10,000 ft above the ground, how far from the target must it be released? Neglect air friction.
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06/02/21

gravitational force and acceleration
The mass of the earth is approximately 5.98 x 10^24 kg and that of the moon is 0.0123 times as great. The mean distance between them is 3.84 x 10^5 km. a) Compute the gravitational force of... more
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05/28/21

please show work for the correct answer
Two point charges attract each other with an electric force of magnitude F. If the charge on one of the particles is reduced to one-third its original value and thedistance between the particles is... more
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05/28/21

please show work

The magnitude of the electric force between two protons is 2.3x10-26 n. how far apart are they?
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05/27/21

find the following of questions

The input power to a 220 V lap wound shunt D.C motor runs is 11 kW , the speed is 1150 rpm takes 5 A at no load ,shunt field resistance is 110 Q and armature resistance is 0.5 Q Find a-The speed of... more
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05/27/21

Find the general solution to the differential equation:

dy/dx= 4xy
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05/26/21

A car travels 10 km southeast and then 15 km in a direction 60° north of east. Find the magnitude and direction of the cars resultant vector. (Round to the nearest tenth)
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05/26/21

What is the gravitational force on a 50 kg person due to the mass of the moon? The mass of the moon is 7.36 x 1022 kg and the distance to the moon is 3.82 x 108m.
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05/26/21

Optimizing a minimum
A closed rectangular container with a square base is to have a volume of 3456 in3. The material for the top and bottom of the container will cost per $2 in^2, and the material for the sides will... more
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05/25/21

Calculus Help Urgent
Calculus ProblemATTRACTION VERSUS REPULSIONConsider the motion of a particle in onedimension (x-axis) under the simultaneous influence of two forces. One force repels the particle from the location... more
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05/24/21

A student applies a force of 146 N on a heavy box by using a ropeheld at an angle of 25 degree with the horizontal. What are the verticaland horizontal components of the 146 N force?
Have the answer but im not sure how to get to it
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05/24/21

Solve 7cos(4x) precalculus

Solve 7cos(4x)=2 for the smallest three positive solutions.Give your answers accurate to at least two decimal places, as a list separated by commas
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05/24/21

Find all solutions precalulcus need help its due soon
Find all solutions to 2cos(θ)=−√2 on the interval 0≤θ<2π θ =   Give your answers as exact values, as a list separated by commas.
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05/24/21

Trigonometry Multiple Part Question
Anthony spotted a dollar under his coffee table. Anthony's line of sight formed a 30 degree angle of depression with the underside of the table. The table is 20 inches tall. Anthony wishes to... more
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05/24/21

Find the slant height, showing all steps of your work. Leave your answer in simplest radical form.
Find the slant height, showing all steps of your work. Leave your answer in simplest radical form.
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05/24/21

What is a game that supports the law of conservation of energy by exhibiting energy transfer between objects.
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05/23/21

find the numbers
1.The probability of getting 8 or more tails from 10 flips of an unfair coin that is biased to land on heads 60% of the time.2.The standard deviation of the number of dart throws I have to make... more
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05/21/21

Physics-Work,Power,Energy
Determine the work done by gravity on a 50kg bowling ball if the ball..a)falls straight down 8m off the left edge of the rampb)Rolls 16m down the rampc) Rolls 10m up the rampd)Rolls 6m across level... more
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05/21/21

physics question (answer is given, but idk how to do this)
A wind turbine with 3 blades that rotate about their end (rod rotating about its end) spins with an angular velocity of 1.26 rad/s. Each blade is 25.4m long and has a mass of 13,600kg. The height... more
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