01/23/23

#### Find the domain and range of the function graphed below, in interval notation.

I already found the domain but for the range I put [3, -5) and then put [4,-5) but I got both wrong

01/15/23

12/09/22

#### physics question

A roller-coaster car has a mass of 494 kg when fully loaded with passengers.(a) If the vehicle has a speed of 20.7 m/s at point A, what is the force in Newtons exerted by the track on the car at... more

12/07/22

#### Potential energy momentum

A 0.950 kg hammer is moving horizontally at 4.50 m/s when it strikes a nail and comes to rest after driving it 1.00 cm into a board.Calculate the duration of the impact in seconds. (Enter a... more

11/12/22

#### what is the resulting mutual inductance

Consider an ideal solenoid X that carries a current 2I. Another solenoid is wrapped around solenoid X resulting to a mutual inductance of 2M . If the current in X is halved, what is the resulting... more

10/05/22

10/05/22

#### A car traveling 1.02 m/s speeds up to 8.75 m/s in 4.72 seconds. What was the car's acceleration?

To enter the unit for acceleration, use this: m/s^2

08/21/22

#### Right triangle question

A right triangle has a height 8 cm more than twice the length of the base. If the area of the triangle is 96 cm2, what are the dimensions of the triangle. (6 marks)Please answer in full detail

07/25/22

#### Hypotenuse question

a right triangles hypotenuse is 10 inches long. The length of one leg of a right triangle is 2 inches more than the second leg. What are the lengths of the legs of the triangle

07/24/22

#### use double angle formulas

find cos 2a using double angle identities given cos a=√-57/19 where pi/2<a<pi.I drew a triangle in the second quadrant, but cos2a has three formulas how can I tell which formula is suitable... more

06/04/22

#### i need help with this problem (functions)

Suppose f(g(x)) = x^2 and g'(1)=4 . Find f'(g(1)) .

05/22/22

#### I need help with this question

When a magnetic south pole with a strength of 25 units is placed 5.0 cm from another magnetic pole, it experiences a repulsion of 450 dynes. What is the strength of the second pole?If you can, you... more

05/07/22

#### What is the age of the pole in years?

You take a course in archaeology that includes field work. An ancient wooden totem pole is excavated from your archaeological dig. The beta decay rate is measured at 610 decays/min.If a sample from... more

05/02/22

#### precal homework

A pilot flies in a straight path for 1 h 30 min. She then makes a course correction, heading 10 degrees to the right of her original course, and flies 2 h in the new direction. If she maintains a... more

04/26/22

#### Simple harmonic

A block on a horizontal frictionless surface is attached to an ideal massless spring whose spring constant is 150 N/m. The block is pulled from its equilibrium positin to x= +0.080m and is released... more

04/26/22

03/15/22

#### Find connections

You have five 10.0 F capacitors. Show all possible connections of all five capacitors to produce an equivalent capacitance of (a) 50 F, (b) 0.5 F and (c) 35 F(a) 50 F(b) 0.5 F(c) 35 F

03/15/22

#### What is the capacitance of a parallel plate capacitor with metal plates, each of area 1.50 m2, separated by 2.01 mm?

1. What is the capacitance of a parallel plate capacitor with metal plates, each of area 1.50 m2, separated by 2.01 mm? What charge is stored in this capacitor if a voltage of 2.50 × 103 V is... more

03/02/22

#### Heat Problem Help

A) How many calories of heat are released when 500 grams of steam at 120°C are converted to ice at -4.0°C?B) A swimming pool is 4.0 meters wide and 10 meters long and has a depth of 1.5 meters. it... more

03/02/22

#### If W= mg-ma is given, then we say that lift is moving in ......... direction?

a) Upward b) Linearc ) Tangential d) Downward

02/28/22

#### Graph the function - Precalc

Graph the function by starting with at least three points of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting to find the points of the... more

02/22/22

#### AP physics C E and M

A point charge of +18 μC is on the y axis at y = +3.00 m. A point charge of -12 μC is at the origin. A point charge of +45 μC is on the x axis at x = +3.00 m.  Determine the magnitude of the net... more

02/22/22

#### Laws of Motion Formula

1.    How much mass must be added to an adjustable, empty dumbbell made to roll in order to gain a momentum similar to a rolling wheel with a mass of 40 kg at a velocity of 6.6 m/s? The... more

02/16/22

#### A positive point charge q1 at the origin and a negative charge q2 at x=2m. The resultant electric field is 10.8 i N/C at x=1m and -8 i N/C at x=3m. Find q1 and q2.

A positive point charge q1 at the origin and a negative charge q2 at x=2m. The resultant electric field is 10.8 i N/C at x=1m and -8 i N/C at x=3m. Find q1 and q2.

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