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Physics

09/10/22

The total time the dog is in freefall.

An athletic dog leaps vertically to catch a frisbee, leaving the ground with a speed of 4.31m/s. Find the total time the dog is in freefall.

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Physics

09/10/22

UNIFORM MOTION question

What is the displacement of the race car drivers in the Indy 500? (A 200 lap race around a track)The diagram below shows the position of a cross-country skier at various times. At each of the... more

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Physics

09/09/22

A lens is cut into two equal halves (i) along the principal axis (i) perpendicular to principal axis. What will be the focal length of each half?

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Physics

09/09/22

Can anyone help me how to solve it??

A car is moving with uniform velocity of 61 km/h along a straight road for 10 mins. The driver then rapidly speeds up and then drives 39 km in 20 minutes. What is the average velocity in km/hr... more

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Physics Algebra 2

09/09/22

Kinematics lab question

Procedures Lay out a 50 meter course marking the ground every 5 meters. Leave 10 meters before and after the course for speeding up and slowing down. Position one timer and one data recorder at... more

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Physics

09/09/22

A long jumper leaps at an angle of 35 degrees at 9 m/s. How far will she jump?

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Physics

09/09/22

Please help me to solve this problem!!!

Which of the following position-time graphs depicts the motion diagram shown below:https://montclair.instructure.com/courses/164583/files/13727296/preview.

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Physics

09/08/22

if you deposit $900 today , how much will be in your account in 12 years if yearly interest is 4.25% compounded monthly

compound interest

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Physics

09/08/22

Two Dimensional Kinematics

The position of a particle is given by r = (at2)i + (bt3)j + (ct -2)k, where a, b, and c are constants. What is the velocity as a function of time? v(t) = ???What is the acceleration as a function... more

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Physics

09/08/22

Two Dimensional Kinematics

A ball is kicked from the ground at an angle of θ = 57 degrees with respect to the horizontal. The ball is in the air for a time tm = 2.1 s before it lands back on the ground.Numerically, what is... more

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Physics Calculus

09/08/22

Suppose an astronaut jumps from the bottom of a ladder on the moon.

It is 24 cm from the ground when it jumps. a gyroscope can accurately detect when the speed of the astronauts is greater than 1.0 m/s. the gyroscope detects his velocity to be 1.0 m/s (downwards)... more

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Physics

09/08/22

A particle is initially at rest and begins to accelerate to the right as 19.1t-t^2 m/s. How far does the particle move in 8.8 seconds?

Var Acc

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Physics

09/07/22

HW 1D Kinematics MultiSystem (agent, truck)

Secret Agent 006.5 (sadly, not quite as good as 007) is standing on a 10.0 tall bridge looking to escape! He sees a pick-up truck approaching, where the bed of the truck is 1.3 above the... more

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Physics

09/07/22

1D Kinematics MultiSystem (tackle)

Initially at rest, John catches a football at the 20 yard line, and immediately begins running forward with an acceleration of 1.5 m/s/s. At the instant John caught the ball, Bill (a player on the... more

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Physics

09/07/22

A tennis ball is dropped from 1.21 m above the ground. It rebounds to a height of 0.82 m. With what velocity does it hit the ground? The acceleration of gravity is 9.8 m/s?

Answer in m/s

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Physics Math Trigonometry

09/06/22

Help me solve this problem!!

Vector A has a magnitude of 8.00 units and makes an angle of 45.0° with the positive x-axis. Vector B also has a magnitude of 8.00 units and is directed along the negative x-axis. (Show work!)a)... more

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Physics Math

09/06/22

Help me solve this!!!

Traumatic brain injury such as concussion results when the head undergoes a very large acceleration. Generally, an acceleration less than 800 m/s2 lasting for any length of time will not cause... more

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Physics

09/05/22

What is the answer

While John is traveling along a straight interstatehighway, he notices that the mile marker reads234Am. John travels until he reaches the 131Ammarker and then retraces his path to the 161/mmarker.... more

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Physics

09/05/22

What is the resistance between P and Q?

Please answer with the steps if possible,thankyou!

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Physics

09/05/22

The cheetah's maximum speed

Another day on the Serengeti. A cheetah at rest spies her prey, a Thomson’s gazelle, and initiates a chase. The cheetah moves in a straight line, accelerating uniformly for the first 1.99 seconds... more

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Physics

09/05/22

Find the acceleration of the train, in m/s^2

You are stuck at a railroad crossing with nothing to do but watch the train cars roll by. You notice that one car takes 3.67 seconds to pass you, but the next car takes 3.27 seconds to pass you.... more

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Physics Calculus

09/05/22

Rotation of an object using cross product

Given a rigid body that is rotating about a fixed axis with constant angular speed ω, the angular velocity vector ω is defined as the vector with magnitude ω whose direction is parallel to the axis... more

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Physics

09/04/22

The distance the jet traveled along the runway.

Preparing for take-off, a jet starts at rest on the runway. The pilot fires up the engines, which accelerate the jet at a rate of 3.81 m/s2. The jet lifts off the runway as it reaches a speed of... more

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Physics

09/04/22

Find the speed of the car, in m/s, as it reaches the red light

The driver of a car traveling at 22.9 m/s sees a yellow light ahead. The car is 37.7 m from the light when the light turns red. At that moment, the driver applies the brakes as hard as possible,... more

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Physics

09/04/22

Find the refracted angle.

The refractive index of glass in 1.5. A ray of light is transmitted from air to glass at an angle of 42. Find the refracted angle.

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The total time the dog is in freefall.

UNIFORM MOTION question

A lens is cut into two equal halves (i) along the principal axis (i) perpendicular to principal axis. What will be the focal length of each half?

Can anyone help me how to solve it??

Kinematics lab question

A long jumper leaps at an angle of 35 degrees at 9 m/s. How far will she jump?

Please help me to solve this problem!!!

if you deposit $900 today , how much will be in your account in 12 years if yearly interest is 4.25% compounded monthly

Two Dimensional Kinematics

Two Dimensional Kinematics

Suppose an astronaut jumps from the bottom of a ladder on the moon.

A particle is initially at rest and begins to accelerate to the right as 19.1t-t^2 m/s. How far does the particle move in 8.8 seconds?

HW 1D Kinematics MultiSystem (agent, truck)

1D Kinematics MultiSystem (tackle)

A tennis ball is dropped from 1.21 m above the ground. It rebounds to a height of 0.82 m. With what velocity does it hit the ground? The acceleration of gravity is 9.8 m/s?

Help me solve this problem!!

Help me solve this!!!

What is the answer

What is the resistance between P and Q?

The cheetah's maximum speed

Find the acceleration of the train, in m/s^2

Rotation of an object using cross product

The distance the jet traveled along the runway.

Find the speed of the car, in m/s, as it reaches the red light

Find the refracted angle.

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