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Physics

02/11/24

Magnitude of the normal force

A 32.7 kg crate rests on a horizontal floor, and a 77.3 kg person is standing on the crate. Determine the magnitude of the normal force that the floor exerts on the crate.

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Physics

02/10/24

Please Solve This Physics Problem

An electron and a proton, each starting from rest, are accelerated by the same uniform electric field of 190 N/C. Determine the distance d (in m) and time t (in s) for each particle to acquire a... more

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Physics

02/10/24

A 9.0 V battery is connected to a 2.50 μF capacitor. How much energy is stored in the capacitor?

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Physics

02/09/24

find acceleration given radius and mass

Suppose a new planet is discovered, with the same radius as earth, but has a mass that istwice that of Earth. What is the acceleration due to gravity g near this planet's surface?

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Physics

02/08/24

Two part question

PART ONE How much pressure is applied to the ground by a 66 kg man who is standing on square stilts that measure 0.05 m on each edge? Answer in units of Pa. PART TWO What is this pressure in pounds... more

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Physics

02/08/24

Electromagnetism solution

Two long, parallel wires hang by 4.00-cm-long cords from a common axis . The have a mass per unit length of 30 g/m and carry the same current in opposite directions. What is the current in each... more

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Physics

02/07/24

Physics-Watt and Calorie problem (please help explain this to me-very lost)

In an average human, basic life processes require energy to be supplied at a steady rate of 100 W. What daily energy intake, in Calories, is required to maintain these basic processes?

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Physics

02/07/24

Physics-WATT and LED question. Please help walk me through it:)

An individual white LED (light-emitting diode) has an efficiency of 20% and uses 1.0 W of electric power. How many LEDs must be combined into one light source to give a total of 1.6 W of... more

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Physics Science

02/06/24

Carly was swimming in a river. She swam a total of 884meters downstream at a constant velocity. She swam one-quarter of that distance in 13minutes. What was her velocity?

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Physics

02/06/24

Physics question-Velocity

A car moves along a horizontal road with constant velocity. Vector V0=v0,x I hat (unit vector) =37.6 m/s until it encounters a smooth inclined hill. It climbs the hill with constant velocity vector... more

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Physics

02/05/24

Physics acceleration

How do you find the vertical component of the acceleration of a projectile not on earth?

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Physics Math Trigonometry

02/05/24

Question for Basketball Hoop

Please help me with this math problem. I am trying to figure out the angle in which a ball will not bounce out of a pop a shot game. The back wall and three side walls are 89 inches. The basketball... more

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Physics

02/04/24

how long for the bullet to hit the ground? Physics

A bullet is fired from a rifle that is held 1.54 m above the ground in a horizontal orientation. The initial speed of the bullet is 1117 m/s. Calculate the time it takes for the bullet to strike... more

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Physics

02/03/24

Drag racing Physics

A drag racer, starting from rest, speeds up for 401.0 m with an acceleration of +15.2 m/s2. A parachute then opens, slowing the car down with an acceleration of -6.26 m/s2. How fast is the racer... more

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Physics

02/03/24

An object's position as a function of time is given by r(t)=[(1m/s^2)t^2] i−[(3m/s)t+3m)] jThe object moves without air resistance

The object moves without air resistancePart (a) What is the object's displacement, in Cartesian unit-vector notation, between times 1s1s and 3s3s? Part (b) What is the object's velocity, in... more

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Physics

02/02/24

Centripetal Acceleration

An undiscovered planet, many light years from Earth, has one moon in a periodic orbit. This moon takes 1.955 x 10^6 seconds (about 23 days) on average to complete one nearly circular revolution... more

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Physics

02/02/24

Physic question

A physic student stand on a cliff overlooking a lake and decides to throw a softball to her friends in the water below. she throws the softball with a velocity of 24.5 m/s at an angle of 34.5... more

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Physics

02/02/24

Physic question.

In the 1970 National Basketball Association championship, Jerry West made a 60 ft shot from beyond half court to lead the Los Angeles Lakers to an improbable tie at the buzzer with the New York... more

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Physics Chemical Engineering Mechanical Engineering

02/02/24

Consider a piston cylinder set-up. The maximum work is aimed for a compression process. The process must be entirely:

Consider a piston cylinder set-up. The maximum work is aimed for a compression process. The process must be entirelyirreversiblereversibleadiabaticisothermalAll of these

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Physics Chemical Engineering Mechanical Engineering

02/02/24

Consider a piston cylinder set-up. The maximum work is aimed for a compression process. The process must be entirely :

Consider a piston cylinder set-up. The maximum work is aimed for a compression process. The process must be entirely-irreversible-reversible-adiabatic-isothermal-All of these

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Physics

02/01/24

Plsssss help, sorry for the trouble

The fastest helicopter, the Westland Lynx, has a top speed of 113 m/s. If its kinetic energy at this speed is 2.10 × 107 J, what is the helicopter's mass?

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Physics

02/01/24

Plsssss help, sorry for the trouble

A 59.5 kg bicyclist on a 10.0 kg bicycle speeds up from 10.3 to 13.3. What was the total kinetic energy before accelerating?

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Physics

02/01/24

Plssssss help, sorry for the trouble

A 62.8 kg bicyclist on a 10.0 kg bicycle speeds up from 3.1 to 18.7. How much work was done to increase the kinetic energy of the bicyclist?

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Physics

02/01/24

Plsssss help, sorry for the trouble

A 3.6 kg bowling ball is dropped from a height of 1.4 m falls onto a spring with and compresses 57.9 cm. Solve for the spring constant (k).

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Physics Chemistry

02/01/24

Why does the I.E of an ideal gas only depend on K.E/T

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Magnitude of the normal force

Please Solve This Physics Problem

A 9.0 V battery is connected to a 2.50 μF capacitor. How much energy is stored in the capacitor?

find acceleration given radius and mass

Two part question

Electromagnetism solution

Physics-Watt and Calorie problem (please help explain this to me-very lost)

Physics-WATT and LED question. Please help walk me through it:)

Carly was swimming in a river. She swam a total of 884meters downstream at a constant velocity. She swam one-quarter of that distance in 13minutes. What was her velocity?

Physics question-Velocity

Physics acceleration

Question for Basketball Hoop

how long for the bullet to hit the ground? Physics

Drag racing Physics

An object's position as a function of time is given by r(t)=[(1m/s^2)t^2] i−[(3m/s)t+3m)] jThe object moves without air resistance

Centripetal Acceleration

Physic question

Physic question.

Consider a piston cylinder set-up. The maximum work is aimed for a compression process. The process must be entirely:

Consider a piston cylinder set-up. The maximum work is aimed for a compression process. The process must be entirely :

Plsssss help, sorry for the trouble

Plsssss help, sorry for the trouble

Plssssss help, sorry for the trouble

Plsssss help, sorry for the trouble

Why does the I.E of an ideal gas only depend on K.E/T

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