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Physics

10/04/22

A seagull flies with an air speed of 14m/s straight into the wind. Include units as appropriate below. If under these conditions it takes the bird 20min to travel 6km, what is the speed of the wind?

A seagull flies with an air speed of 14m/s14m/s straight into the wind. Include units as appropriate below.(a) If under these conditions it takes the bird 20min20min to travel 6km6km, what is the... more

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Physics

10/04/22

physics question

A cannon is placed on the edge of a 300m high cliff as shown in the figure. The cannon is fired at angle of  = 30 with respect to the horizontal and the cannonball leaves the cannon at a speed of... more

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Physics

10/04/22

physics question

An 8.0kg block is being pulled up a rough incline by a 20 N force. The incline makes an angle of 37 with respect to the horizontal and the coefficient of kinetic friction between the block and the... more

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Physics

10/04/22

physics question

A satellite with a mass of 80kg is in a circular orbit around the Moon. The satellite is a distance of 5.0 x 105 m above the surface of the Moon. (MMOON = 7.4 x 1022 kg, RMOON = 1.7 x 106 m) a.... more

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Physics

10/04/22

Physics question

You apply a horizontal force of 12N to the right to a 3.0kg box that is sliding to the right with an initial speed of 4.0m/s on a rough horizontal surface. The coefficient of kinetic friction... more

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Physics

10/04/22

Physics question

A 20kg block of ice that is sitting on the surface of a frozen lake is being pulled by two people (Anna and Elsa) using ropes. (Assume there is no friction.) Anna is pulling the block to the north... more

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Physics

10/04/22

A soccer ball was kicked toward the goal. The horizontal component of velocity was 22 m/s and the vertical component was 12 m/s . What is the magnitude of the resultant velocity of the soccer ball?

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Physics Math Calculus Precalculus

10/04/22

A store generates Monday through Thursday sales of $150, $125, $75, and $180. What sales on Friday would give a weekday average of $155?

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Physics

10/03/22

(a) If under these conditions it takes the bird 20min20min to travel 6km6km, what is the speed of the wind?

A seagull flies with an air speed of 14m/s14m/s straight into the wind. Include units as appropriate below.(a) If under these conditions it takes the bird 20min20min to travel 6km6km, what is the... more

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Physics

10/03/22

a) At what angle above the horizontal was the ball thrown if its initial speed was 15m/s, assuming the smaller of the two possible angles was used?

A rugby player passes a ball 8m8m across a field to a teammate, where it is caught at the same height as it left his hand. Treat the effect of air resistance to be negligible. Include units as... more

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Physics

10/03/22

What is the speed of sound (in m/s) in carbon dioxide at the normal boiling temperature of water?

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Physics

10/03/22

Approximately how many times louder is a 155-dB sound than a 75-dB sound?

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Physics

10/03/22

Vf^2=Vi^2+(-g)(Yf-Yi)

Maximum Height derive from kinematic formula

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Physics

10/03/22

Determine the distance and time for each particle to acquire a kinetic energy of 3.2×10−16J. 3.2 × 10 −16 J .

An electron and a proton, each starting from rest, are accelerated by the same uniform electric field of 200 N/C. Determine the distance and time for each particle to acquire a kinetic energy... more

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Physics

10/03/22

(a) Does the proton reach the plate? (b) If not, how far from the plate does it turn around?

From a distance of 10 cm, a proton is projected with a speed of 𝑣=4.0×106m/s directly at a large, positively charged plate whose charge density is 𝜎=2.0×10−5C/m2. (a) Does the proton reach the... more

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Physics

10/02/22

A plane is headed due west with an air speed of 215 m/s. The wind blows south at 20.0 m/s. Find the velocity of the plane relative to the earth.

Find the velocity of the plane relative to the earth.magnitude: 215 m/sdirection: ? degrees south of westhow do i find the direction

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Physics

10/02/22

projectile motion

A baseball player hits a home run over the left-ﬁeld fence, which is 105 m from home plate. The ball is hit at a point 1.00m directly above home plate, with an initial velocity directed 31.0º above... more

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Physics

10/02/22

High School AP Physics

Is this an area you tutor in regularly?

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Physics

10/02/22

Projectile motion

Suppose that a world-class long jumper jumped on the moon with the same initial velocity as that which would produce a world record breaking distance of 9.35 m on earth. What would be the range of... more

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Physics

10/02/22

A total charge Q is distributed uniformly over a rod of length L. The rod is aligned on the x- axis, with one end at the origin and the other at the point x = L. Calculate the field at point (L/2, D)

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Physics

10/02/22

What is the height of the cliff

A ballis launched at a bottom of a cliff with initial speed v0=40m/s directed at an angle of theta= 42° above the horizontal towards a cliff with height x. The ball hits the cliff 4.50s after the... more

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Physics

10/02/22

Please help me with this question!!

A car accelerates with a constant acceleration for 8 seconds before reaching top speed. The car completes a trip of 0.9 kilometer in a total travel time of 47 seconds (including the time it takes... more

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Physics

10/01/22

The mass of the larger block

In the diagram below, a worker drags two blocks on a frictionless surface. The work pulls on the first cord, which is connected to the smaller block and at an angle of q = 32.0O above the... more

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Physics Science Chemistry

10/01/22

CHEMISTRY Question

In a space shuttle, the CO2 that the crew exhales is removed from the air by a reaction within canisters of lithium hydroxide. Let's assume that one astronaut exhales about 825. L of CO2 daily.... more

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Physics

09/30/22

why does the ball with less force applied to it go slower than the one with more force?

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A seagull flies with an air speed of 14m/s straight into the wind. Include units as appropriate below. If under these conditions it takes the bird 20min to travel 6km, what is the speed of the wind?

physics question

physics question

physics question

Physics question

Physics question

A soccer ball was kicked toward the goal. The horizontal component of velocity was 22 m/s and the vertical component was 12 m/s . What is the magnitude of the resultant velocity of the soccer ball?

A store generates Monday through Thursday sales of $150, $125, $75, and $180. What sales on Friday would give a weekday average of $155?

(a) If under these conditions it takes the bird 20min20min to travel 6km6km, what is the speed of the wind?

a) At what angle above the horizontal was the ball thrown if its initial speed was 15m/s, assuming the smaller of the two possible angles was used?

What is the speed of sound (in m/s) in carbon dioxide at the normal boiling temperature of water?

Approximately how many times louder is a 155-dB sound than a 75-dB sound?

Vf^2=Vi^2+(-g)(Yf-Yi)

Determine the distance and time for each particle to acquire a kinetic energy of 3.2×10−16J. 3.2 × 10 −16 J .

(a) Does the proton reach the plate? (b) If not, how far from the plate does it turn around?

A plane is headed due west with an air speed of 215 m/s. The wind blows south at 20.0 m/s. Find the velocity of the plane relative to the earth.

projectile motion

High School AP Physics

Projectile motion

A total charge Q is distributed uniformly over a rod of length L. The rod is aligned on the x- axis, with one end at the origin and the other at the point x = L. Calculate the field at point (L/2, D)

What is the height of the cliff

Please help me with this question!!

The mass of the larger block

CHEMISTRY Question

why does the ball with less force applied to it go slower than the one with more force?

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