06/14/23

Question for algebra

At a baseball game a vendor sold a combined total of 200 sodas and hot dogs. The number of hot dogs sold was 34 less than the number of sodas sold. Find the number of sodas sold and the number of... more
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06/13/23

physics question
A box of canned goods slides down a ramp from street level into the basement of a grocery store with acceleration 0.67 m/s2 directed down the ramp. The ramp makes an angle of 36° with the... more
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05/21/23

Physics question
A planet emits visible color at 600nm. If the planet is moving away from a stationary observer, which of the following cannot be the wavelength observed?
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11/20/22

Atwood machine ---
A 5.00 kg object placed on a frictionless, horizontal table is connected to a string that passes over a pulley and then is fastened to a hanging 8.50 kg object, as shown in the figure. Find the... more
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11/05/22

calculus derivatives
Let 𝑓(𝑥)=2𝑥^2−8𝑥+5.Find the extreme values of 𝑓 on [0,5].(Give your answers as whole numbers.)find the maximum and minimumFind the extreme values of 𝑓 on [−4,1].(Give your answers as... more
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11/03/22

what is the acceleration given to a 25kg block of cement when it is pulled sideways with a net force of 480N? draw the free body diagram for the forces acting on the block of cement
This is a question on a homework assignment that I can't figure out. I'm not sure how to set up the equationanswer the problem by using the equation for force (F=ma) and (W=mg)
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10/29/22

A person stands directly in front of two speakers
A person stands directly in front of two speakers that are emitting the same pure tone. The person then moves to one side until no sound is heard. At that point, the person is 6.65 m from one of... more
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06/11/22

Newtons laws of motion
A cannon is fi red horizontally from a platform. The platform rests on a flat, icy, frictionless surface. Just after the shell is fired and while it is moving through the barrel of the gun, the... more
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06/08/22

PreCalculus Algebra Word Question
Suppose you have entered a 97 mile biathlon that consists of a run and bicycle race. During your run, your average velocity is 8 miles per hour, and during your bicycle race, your average velocity... more
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11/12/21

find the meter to the following problem
A passenger car is released from rest at the top of a free-fall ride. How far does the car fall in the first 2.5s, before braking is applied? Take upward as the positive direction and give your... more
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11/11/21

Topic: Waves physics 140
A string with a linear mass density of 12.5 g/m is held at a tension of 81.7 N. If the string is plucked, what would be the speed of propagation of the subsequent wave?
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11/04/21

A 40kg box on a horizontal friction surface is pulled in the horizontal direction with a force of 200N...
A 40kg box on a horizontal friction surface is pulled in the horizontal direction with a force of 200N. The coefficient of kinetic friction between the surface and the box is μk=0.2. The initial... more
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12/31/20

Find R: (-5,2) (r, -3); m= -10. Please respond quick.
Find the Value of R with the two given points and M= -10. please respond ASAP.
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12/19/20

Vectors and Projectile motion
A cannonball is fired at 50m/s at an angle of 30°above the horizontal A)What is the maximum height the cannonball reaches?B)How far does the cannonball land?
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12/17/20

What is the answer to ¨the sum of 2 numbers is 7 and there difference is 5¨?

This is for a math question on a game (sorry if I wasted your time)
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12/17/20

The circle shown below has equation (x-6)^2+(y+2)^2=58
(a) Verify the point (3,5) is on the graph of the circle(b) Find the equation of the line tangent to the circle at the point (3,5)[Recall: A line tangent to a circle is always perpendicular to the... more
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11/10/20

interpreting key features
Example 1: Joe is painting and selling artwork to raise money for a road trip. He has $75 to spend on enough art supplies to last him through 12 paintings and plans to sell each painting for $25. ... more
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11/02/20

Calculus II Exponential Growth and Decay
A certain bacteria population P obeys the exponential growth law: P(t)=1500e2.1t (t in hours)a) How many bacteria are present initially?b) At what time will there be 10,000 bacteria?
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11/01/20

physics question
Two blocks, each with a mass of 4kg, are held in place on a frictionless incline, calculate the tension in the two strings if the angle of the incline is 65 degrees.
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