12,727 Answered Questions for the topic physics

Physics

11/08/22

Force Question 1
How much force is required to stop a 1000 kg car in 5.0 seconds if it is traveling at 30m/s?
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Physics

11/08/22

Physics forces 1
A 50kg suitcase is being pulled across a level floor by a force of 250 N at an angle of 65 above the horizontal. The coefficient of kinetic friction between the suitcase and the floor is .05. Can... more
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Physics

11/08/22

Net/Everyday Forces
You hang a spring from a tree and measure its length to be 1.0m. You suspend 15kg from the spring and i stretches to a new length of 1.4m. Find the spring constant for this spring.
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Physics

11/08/22

Net/Everyday Forces
You hang a spring from a tree and measure its length to be 1.0m. You suspend 15kg from the spring and i stretches to a new length of 1.4m. Find the spring constant for this spring.
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Physics

11/07/22

i need help on this question for physics
A person weighs 613 N on Earth.1) What is their mass?  This person goes to Jupiter where gravity = 24.79 m/s².2) What is their weight on Jupiter? 
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Physics

11/07/22

i need help on this question for physics
A person weighs 613 N on Earth.1) What is their mass?  This person goes to Jupiter where gravity = 24.79 m/s².2) What is their weight on Jupiter? 
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11/07/22

Find the equation of motion of a force of a spring
A spring with a spring constant k of 20 pounds per foot is loaded with a 10-pound weight and allowed to reach equilibrium. It is then displaced 1 foot downward and released. If the weight... more
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Physics

11/07/22

General College Physics I
An IV bag containing medication is suspended some height above the injection point in the patient's hand. To make the medication get into the vein instead of blood flowing out of the vein, the... more
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Physics

11/06/22

Physics ut onramps
This question is typical on some driver's license exams: A car moving at 44 km/h skids15 m with locked brakes.How far will the car skid with locked brakes at 110 km/h? Assume that energy loss is... more
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Physics

11/06/22

Physics ut onramps
This question is typical on some driver's license exams: A car moving at 44 km/h skids15 m with locked brakes.How far will the car skid with locked brakes at 110 km/h? Assume that energy loss is... more
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Physics Calculus

11/05/22

A boy jumps off a tower 1000 feet high with an initial velocity of 120 ft/sec. At the same time, a girl walks on the ground along the foot of the tower

according to the equation of motion G(𝑡) = 𝑡^3 −10𝑡^2 + 25𝑡 + 1, where G is the girl’s directed distance at any time 𝑡 from the point directly under the path of the boy’s path of motion. What is... more
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Physics

11/05/22

Physics-Question, Homework

Question-I've yet to figure out: please help."A motorboat accelerates uniformly from a velocity of 6.2 m/s to the west to a velocity of 2.1 m/s to the west. If its acceleration was 3.4 m/s2 to the... more
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Physics

11/05/22

Please help me! :(
How fast does water flow from a hole at the bottom of a very wide 5.8 m deep storage tank filled with water? Ignore viscosity.   (The density of water is 1000 kg/m3)    
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Physics

11/05/22

Please help me! :(
If you tried to smuggle gold bricks by filling your backpack, whose dimensions are 53 cm x 25 cm x 22 cm, what would its mass be?  
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Physics

11/05/22

please help me ! :(
How high must the gauge pressure in a fire hose be if the fire hose is to spray water to a height of 21 m?   (The density of water is 1000 kg/m3)
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Physics

11/04/22

A toy car is on a bus floor (more information below)
the bus is going to the right when it comes to a stop the toy car with frictionless wheels then moves to the right at a steady speed.Choose One: there are significant equal and opposite forces... more
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Physics

11/04/22

Tension & Force
A uniform beam 3.60 m long and weighing 2100 N carries a 3850 N weight 1.50 m from the far end, as shown in the figure below (Figure 1). It is supported horizontally by a hinge at the wall and a... more
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Physics

11/04/22

Find Angular Velocity

A uniform 2 kg solid disk of radius R = 0.4 m is free to rotate on a frictionless horizontal axle through its center. The disk is initially at rest, and then a 10 g bullet traveling at 510 ... more
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Physics

11/04/22

Physics homework
A race car rounds a curve at 56 m/s. The radius of the curve is 441 m, and the car's mass is 645 kg. (Assume the car's speed remains constant. Take the radially inward direction to be positive.... more
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Physics Trigonometry

11/04/22

Trig Extra Credit Question
how would you solve for theta in the problem cos(theta)* sin(theta)= 0.14?
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Physics

11/03/22

1kg equals about 2.2 lbs on Earth A) if you weigh 100 lbs what is your mass in kg, B) what is your weight in newtons
This is a question on a homework assignment that I can't figure out. I'm not sure how to set up the equationanswer the problem by using the equation for force (F=ma) and (W=mg)
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Physics

11/03/22

a 500kg VW bug and a 1500kg car truck are given equal accelerations how much greater is the force that acts on the truck than the car?
This is a question on a homework assignment that I can't figure out. I'm not sure how to set up the equationanswer the problem by using the equation for force (F=ma) and (W=mg)
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Physics

11/03/22

what is the acceleration given to a 25kg block of cement when it is pulled sideways with a net force of 480N? draw the free body diagram for the forces acting on the block of cement
This is a question on a homework assignment that I can't figure out. I'm not sure how to set up the equationanswer the problem by using the equation for force (F=ma) and (W=mg)
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Physics

11/03/22

calculate the horizontal force needed to make a 3.8 kg baseball accelerate at a 641m/s^2

is part of a worksheet and I don't know how to solve it and need helpanswer the problem by using the equation for force (F=ma) and (W=mg)
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Physics

11/03/22

The toy car in the image runs off the edge of a table that is 1.225 m high. The car lands 0.400 m from the base of the table. a. How long did it take the car to fall?
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