12,762 Answered Questions for the topic physics

Physics

10/16/23

PHYSIC RAMP QUESTION
A block is at the base of a ramp of angle 35 degrees. The ramp is 5m long and has a coefficients of static and kinetic friction of 0.6 and 0.2 respectively. If the block is initially given a... more
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Physics

10/15/23

conservation of energy in a spring
You have a spring of spring constant k, and a block of mass 0.200 kg. You set the spring up vertically and compress the spring 0.300 m. It launches the block up to a max height of 2.20 m. What is... more
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Physics

10/15/23

Work to expand spherical shell to r3
A capacitor is made out of two concentric spheres. The inner is a conducting solid sphere with an initial charge of Q, radius r1, and electric potential V. The outer is a conducting spherical shell... more
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Physics

10/14/23

Physics Question
A contestant in a winter games event pushes a 43.0 kg block of ice across a frozen lake with a rope over his shoulder at a 25 degree angle. (Enter the magnitudes. Assume that friction... more
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Physics

10/14/23

Solve this physics problem
You work at a garden store for the summer. You lift a bag of fertilizer with a force of 130 N, and it moves upward with an acceleration of 0.763 m/s2.(a) What is the mass of the fertilizer bag? (b)... more
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Physics

10/14/23

Free Fall question
A bullet is fired straight up from a gun with a muzzle velocity of 185 m/s.Neglecting air resistance, what will be its displacement after 3.5 s? The acceleration of gravity is 9.8 m/s2 .Answer in... more
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Physics

10/14/23

Free Fall question
A basketball player achieves a hang time, the total time of flight, of 0.708 s when dunking the ball.What vertical height will he attain? The acceleration of gravity is 9.8 m/s2 .Answer in units of m. more
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Physics

10/14/23

Physics Block Tension 4 part problem. Please help!

Two blocks with masses M1 and M2 hang one under the other. For this problem, take the positive direction to be upward, and use g for the magnitude of the free-fall acceleration.(For Parts A and B... more
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Physics

10/14/23

Physics anatomy and force problem
When you bend your knee, the quadriceps muscle is stretched. This increases the tension in the quadriceps tendon attached to your kneecap (patella), which, in turn, increases the tension in the... more
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Physics

10/14/23

Physics Friction Force problem
A 5000 kg truck is parked on a 7.0∘ slope. How big is the friction force on the truck?
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Physics

10/14/23

Physics HW Question-Acceleration and Force with a truck
A 2000 kg truck has put its front bumper against the rear bumper of a 2500 kg SUV to give it a push. With the engine at full power and good tires on good pavement, the maximum forward force on the... more
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Physics

10/14/23

Physics HW Force Question, blocks with masses
Blocks with masses of 1.0 kg, 2.0 kg, and 3.0 kg are lined up in a row on a frictionless table. All three are pushed forward by a 13 N force applied to the 1.0 kg block.-How much force does the... more
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Physics

10/14/23

HW Physics Problem-I want to make sure I understand how to do this for an exam.
An impala is an African antelope capable of a remarkable vertical leap. In one recorded leap, a 45 kg impala went into a deep crouch, pushed straight up for 0.21 s, and reached a height of... more
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Physics

10/14/23

Physics HW problem-I have an exam on Friday and want to understand how to do these problems.
A fisherman has caught a very large, 5.0 kg fish from a dock that is 2.0 m above the water. He is using lightweight fishing line that will break under a tension of 57 N or more. He is eager to get... more
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Physics Math

10/13/23

Using the given airplane in figure 1.11 Typical Lift Characteristics, what TAS and ANGLE OF ATTACK will this airplane stall at with the following conditions:

At standard sea level conditions at 18,000 pounds? At a density altitude of 20,000 feet at 18,000 pounds ?
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Physics

10/13/23

: A capacitor has a capacitance of 100 microfarads (μF) and is connected to a 12-volt (V) battery. Calculate the charge stored in the capacitor.
To answer this question, you can use the formula Q = C * V, where Q represents the charge stored in the capacitor, C is the capacitance, and V is the voltage.
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Physics

10/13/23

Problem set - p6
Find the speed and momentum of a proton whose total energy is 3.500 GeV. Hints: 1 Convert to joules first; ii. What is conversion from GeV to eV
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Physics

10/12/23

What meaning by mass/
question about Newten law
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Physics

10/12/23

Need help with a Conservation of Energy and Momentum problem

A spring with a 850 N/m spring constant is compressed 20 cm between a 0.5 kg box and a 2.6 kg box. The spring and boxes are initially at rest on a frictionless floor. The spring is then allowed to... more
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Physics

10/11/23

Gravity Exploration│Please help!
1) The Sun has a mass of 1.99 × 1030 kg and a radius of 6.96 × 108 m. What is the acceleration due to gravity at the surface of the Sun?2) The mass of the Earth is 5.97 × 1024 Kg , and the radius... more
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Physics

10/11/23

Relative to city A, in what direction is city C? Answer with respect to due east, with the counter-clockwise direction positive, within the limits of −180◦ to +180◦ . Answer in units of ◦ .
An airplane flies 233 km due west from city A to city B and then 440 km in the direction of 36◦ north of west from city B to city C.Relative to city A, in what direction is city C? Answer with... more
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Physics

10/11/23

What is the distance between city A and city C?
An airplane flies 233 km due west from city A to city B and then 440 km in the direction of 36◦ north of west from city B to city C. What is the distance between city A and city C? Answer in units... more
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Physics

10/11/23

Find the angle of the second displacement (measured counterclockwise from the positive x axis). Answer in units of ◦ .
A particle undergoes two displacements. The first has a magnitude of 11 m and makes an angle of 63 ◦ with the positive x axis. The result after the two displacements is 6.8 m directed at an angle... more
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Physics

10/09/23

AP Physics Forces Problem
Two blocks of mass M and 2M, respectively, are directly next to each other left to right and are pushed along a smooth horizontal surface by a force F0.Consider these two cases. In case A, the... more
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Physics

10/08/23

Conservation of energy
Camera has a 800 KG Boulder, a top of a 40m hill. If she pushes the Boulder off the hill with an initial velocity of 1 M/S, how fast will it be rolling when it reaches the bottom of the hill?
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