12/16/21

A 12000 kg satellite is in geosynchronous orbit at a height above the Earth’s surface. 
 A 12000 kg satellite is in geosynchronous orbit at a height above the Earth’s surface. A geosynchronous satellite is a satellite which remains in the same position above the Earth’s surface all... more
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12/16/21

A 10.0 kg mass is suspended on an incline by a rope connected to a wall

A 10.0 kg mass is suspended on an incline by a rope connected to a wall. The coefficients of static and kinetic friction between the mass and the incline are 0.65 and 0.50, respectively. a) Draw a... more
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12/16/21

Object speed at the end
The figure shows the height of the hill h=2.8 m. Distance BC length s=2.8 m. A piece with mass m=3 kg is discharged from rest to motion from point A. to point B and the , the speed between AB of... more
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12/15/21

A GPS satellite orbits at an altitude of 20,200 km above the surface of Earth. What is the speed of the satellite? (Recall that RE = 6.37 ✕ 106 m.)
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12/15/21

math honors 7th grade
Raul is filling a 55-gallon fish tank with water. There are 18.5 gallons of water in the tank. 2.5 gallons of water flows from the hose each minute. How many gallons of water are in the fish tank... more
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12/14/21

Physics newtons laws

A 1.8 kg block is pulled across a level surface by a horizontal force of 4 N. Determine the approximate coefficient of friction between the block and the surface if the block moves at constant... more
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12/14/21

The uniform rod of length L shown above is supported by holding end X

The uniform rod of length L shown above is supported by holding end X so that the rod makes an angle 60° with the horizontal floor. There is no friction acting between the rod and the floor. When... more
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12/14/21

What is the pressure in the bottle now? What will happen if it is opened?
You start out from Alaska, where it is -30 degrees C, and where there is exactly 1 ATM of atmospheric pressure, with an empty, 2 liter pop bottle that you have just tightly sealed in your trunk.... more
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12/14/21

A military parachutist fell 0.37km from...
During World War 2, a military parachutist fell 0.37km from an airplane without being able to open his chute, but luckily was able to land in snow, suffering only with minor injuries. Assume that... more
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12/14/21

A 0.62-kg ball...
A 0.62-kg ball is moving at 3 m/s when it is hit by a bat, causing it to reverse direction and have a speed of 22 m/s. What is the change in the magnitude of the momentum of the ball?
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12/14/21

A 1.5 kg frictionless pendulum is released from point A at an angle θ of 35 degrees. The speed of the pendulum at point C is 3.4 m/s. What is the length of the pendulum?

A) 3.3 mb) 0.72 mc) 0.59 md) 8.7 m
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12/14/21

A planet travels in it’s orbit close to apogee, and in 2 years, it’s radius vector sweeps out an area of 3 A. How long will it take the planets radius vector to sweep an area of 3 A close to perigee?
Multiple choice answers:a) a smaller time because the planets orbital speed will increase b) a smaller time because the planets orbital speed will decreasec) the same amount of time d) a larger... more
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12/13/21

Physics energy of pendelum
A 16.9 kg monkey is swinging on a5.32 m long vine. It starts at rest,with the vine at a 43.0° angle.How fast is the monkey moving atthe bottom of its swing?-I’m loooking for the speed of the monkey... more
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12/13/21

Circular motion physics question
Sometimes road surfaces have banked curves. Explain how this helps cars make turns more safely. Include a free-body diagram.
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12/13/21

gravity along a ramp physics question
A shoe sits on a ramp without moving. As the angle of the ramp is increased, the shoe starts to move. This is because:a) the normal force has increasedb) the coefficient of static friction has... more
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12/13/21

Newtons law Physics problem
A father is pulling his child on a sled in the snow. According to Newton’s Third Law, the force the father exerts on the sled is equal to the force the sled exerts on the father but opposite in... more
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12/13/21

What does relative lines mean?
If I have to draw to different line a graph that represent two different thing. One is increasing x2 faster than the other. What does it mean by draw relative lines?
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12/13/21

Is this correct? - problem relating to a pendulum

Predict the time for 20 oscillations of a 1.0m long Pendulum on Planet U.We know L = 1.0m g=6.91m/s2T=2π N √L/gT=2π (20) √1.0/6.91= 150.18297T = 150 seconds If its correct than yay if not please... more
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12/12/21

Question regarding Pendulum on Fictional Planet

This one is a long as its all related. so confusing ...What would the time for 20 oscillations of a 1.0m long pendulum be on Planet X?Given :L = 1.0mAcceleration due to gravity on Planet X =... more
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12/12/21

CHARACTERISTICS OF CONVEX MIRRORS
Predict what characteristics could be present in an image formed from the following situations:1: the object is located 4 inches from the mirror2: the object is located 1 cm in front of the... more
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12/11/21

The linear mass density of the 2 meter long thin bar extending along the x-axis in the figure is expressed as (PHYS101-105) Problem
The linear mass density of the 2 meter long thin bar extending along the x-axis in the figure is expressed as 𝜆(𝑥) = 2𝑥 + 4 (x in meters; λ in kg/m). a) (15 points) Find the total mass of the bar.... more
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12/11/21

How do I rearrange t^2 = 4pi^2 L/g in y=mx format?
T2 = 4πi2 L/g How do I derive formula to make:L = y T2 = x 4πi2/g = m ?so far I have :L / T2 = g x 4π2Is this correct ?
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12/11/21

How would using a mass on the end of a pendulum string 3 times longer impact results?
Another very confusing thing. I know that T2 = 3L which is also T = √3L. that's where my understanding stops :( I don't understand how it will impact my overall results ...A detailed explanation... more
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12/11/21

Pendulum Experiment : Why would I use the ‘Period squared’ rather than just the ‘Period’?
For drawing a graph on their relationship to get 'g' why would I use the period squared rather than just the period? What difference does it make and why?A detailed explanation would be very... more
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12/11/21

Why is knowing the pendulum length required for one second be important?
Hello!This is related to a pendulum experiment.I know that for 1 period the length would be 0.25mWhat I don't know is why would this information be useful??A detailed explanation would be very... more
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