Answers created by SaiGanesh Gotetti

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If a $2 k g$ $2 kg$ object is constantly accelerated from $0 \frac{m}{s}$ $0m/s$ to $16 \frac{m}{s}$ $16 m/s$ over 6 s, how much power musy be applied at $t = 3$ $t=3$ ?
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What is the conductivity of a conduit with a cross-sectional area of $0.60$ $0.60$ $c m^{2}$ $cm^2$ and a length of $15$ $15$ $c m$ $cm$ , given that its conductance $G$ $G$ is $0.050$ $0.050$ $o h m$ $ohm$ ?
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How do you solve $x^{2} - 2 x = 5$ $x^2-2x=5$ using the quadratic formula?
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What is the work done when a sample of gas expands from 12.5L to 17.2L against a pressure of 1.29 atm? Give your answer in Joules.
If work is zero, when is force nonzero?
What formula is used to calculate resistance using the color code?
A box with an initial speed of $9 \frac{m}{s}$ $9 m/s$ is moving up a ramp. The ramp has a kinetic friction coefficient of $\frac{5}{4}$ $5/4$ and an incline of $\frac{3 π}{4}$ $(3 pi )/4$ . How far along the ramp will the box go?
An object moving at a constant velocity of 5.4 m/s travels for 12 s. How far will it move during that time?
A load of 15 N attached to a spring that is hanging vertically stretches the spring 35 cm. What is the spring constant of the spring?
What is the force, in terms of Coulomb's constant, between two electrical charges of $44 C$ $44 C$ and $39 C$ $39 C$ that are $12 m$ $12 m$ apart?
A car with a mass of $1.5 \cdot 10^{3}$ $1.5 * 10^3$ kg starts from rest and accelerates to a speed of 18.0 m/s in 12.0s. Assume that the force of resistance remains constant at 400 N during this time. What is the average power developed by the car's engine?
A container has a volume of $12 L$ $12 L$ and holds $15 m o l$ $15 mol$ of gas. If the container is expanded such that its new volume is $21 L$ $21 L$ , how many moles of gas must be injected into the container to maintain a constant temperature and pressure?
What is the prime factorization of 364?
What is the projection of $(- i + j + k)$ $(-i + j + k)$ onto $(i - j + k)$ $( i - j + k)$ ?
How do you solve $5 y - 11 = - 51$ $5y - 11= - 51$ ?
A car has a mass of $1, 500$ $1,500$ $k g$ $kg$ and an acceleration of $2.0$ $2.0$ $m$ $m$ $/ s^{2}$ $/s^2$ . What is the net force acting on the can?
Which is warmer -30°C or -30 F?
What is the dot product of $< 1, 5, - 3 >$ $<1,5,-3 >$ and $< - 1, 4, 2 >$ $<-1,4,2 >$ ?
What is the cross product of $[0, 8, 5]$ $[0,8,5]$ and $[2, 4, 8]$ $[2, 4, 8]$ ?
A model train with a mass of $9 k g$ $9 kg$ is moving along a track at $18 \frac{c m}{s}$ $18 (cm)/s$ . If the curvature of the track changes from a radius of $24 c m$ $24 cm$ to $42 c m$ $42 cm$ , by how much must the centripetal force applied by the tracks change?
What is the angular momentum of an object with a mass of $4 k g$ $4 kg$ that moves along a circular path of radius $30 m$ $30 m$ at a frequency of $15 H z$ $15 Hz$ ?
If $A = < 6, 4, - 3 >$ $A = <6 ,4 ,-3 >$ , $B = < 7, 1, - 4 >$ $B = <7 ,1 ,-4 >$ and $C = A - B$ $C=A-B$ , what is the angle between A and C?
Which has more momentum, a $7 k g$ $7kg$ object moving at $8 \frac{m}{s}$ $8m/s$ or a $4 k g$ $4kg$ object moving at $9 \frac{m}{s}$ $9m/s$ ?
A solid disk with a radius of $3 m$ $3 m$ and mass of $4 k g$ $4 kg$ is rotating on a frictionless surface. If $120 W$ $120 W$ of power is used to increase the disk's rate of rotation, what torque is applied when the disk is rotating at $8 H z$ $8 Hz$ ?
A charge of $- 2 C$ $-2 C$ is at $(6, - 5)$ $(6 , -5 )$ and a charge of $- 4 C$ $-4 C$ is at $(- 3, - 9)$ $(-3 , -9 )$ . If both coordinates are in meters, what is the force between the charges?
What is the formula for calculating momentum?
What is the force, in terms of Coulomb's constant, between two electrical charges of $- 8 C$ $-8 C$ and $- 12 C$ $-12 C$ that are $3 m$ $3 m$ apart?
The gas inside of a container exerts $15 P a$ $15 Pa$ of pressure and is at a temperature of $220^{o} C$ $220 ^o C$ . If the temperature of the gas changes to $10^{o} C$ $10 ^oC$ with no change in the container's volume, what is the new pressure of the gas?
A model train, with a mass of $6 k g$ $6 kg$ , is moving on a circular track with a radius of $7 m$ $7 m$ . If the train's rate of revolution changes from $1 H z$ $1 Hz$ to $2 H z$ $2 Hz$ , by how much will the centripetal force applied by the tracks change by?
How much work would it take to push a $5 k g$ $5 kg$ weight up a $2 m$ $2 m$ plane that is at an incline of $\frac{π}{6}$ $pi / 6$ ?
What torque would have to be applied to a rod with a length of $4 m$ $4 m$ and a mass of $3 k g$ $3 kg$ to change its horizontal spin by a frequency of $3 H z$ $3 Hz$ over $2 s$ $2 s$ ?
An object with a mass of $2 k g$ $2 kg$ is moving at $5 \frac{m}{s}$ $5 m/s$ over a surface with a kinetic friction coefficient of $2$ $2$ . How much power will it take to accelerate the object at #8 m/s^2?
What is the field strength, $E$ $E$ , experienced by a test charge, $q$ $q$ , if a charge of $1.0 \cdot 10^{- 6}$ $1.0*10^-6$ coulombs is placed on $q$ $q$ and a force of $6.2$ $6.2$ $N$ $N$ is applied?
A projectile is shot from the ground at a velocity of $25 \frac{m}{s}$ $25 m/s$ and at an angle of $\frac{2 π}{3}$ $(2pi)/3$ . How long will it take for the projectile to land?
What is the moment of inertia of a rod with a mass of $3 k g$ $3 kg$ and length of $4 m$ $4 m$ that is spinning around its center?
An object with a mass of $2 k g$ $2 kg$ is traveling in a circular path of a radius of $4 m$ $4 m$ . If the object's angular velocity changes from $4 H z$ $4 Hz$ to $9 H z$ $9 Hz$ in $3 s$ $3 s$ , what torque was applied to the object?
What is the force, in terms of Coulomb's constant, between two electrical charges of $- 45 C$ $-45 C$ and $60 C$ $60 C$ that are $15 m$ $15 m$ apart?
How much work would it take to push a $8 k g$ $8 kg$ weight up a $7 m$ $7 m$ plane that is at an incline of $\frac{π}{12}$ $pi / 12$ ?
What is the unit vector that is normal to the plane containing 3i+7j-2k and 8i+2j+9k?
What is the cross product of $< 7, 5, 6 >$ $<7, 5 ,6 >$ and $< 3, 5, - 2 >$ $<3 ,5 ,-2 >$ ?
An object is thrown vertically from a height of $2 m$ $2 m$ at $5m/s$ . How long will it take for the object to hit the ground?
A force of 65N is required to keep a 16kg block sliding across a horizontal surface at a constant speed of 5m/s. What is the coefficient of kinetic friction on the surface?
An object with a mass of $5 kg$ is on a surface with a kinetic friction coefficient of $4$ . How much force is necessary to accelerate the object horizontally at $12 m/s^2$ ?
What is Newton's Law of Cooling?
What is the angular momentum of a rod with a mass of $5 kg$ and length of $4 m$ that is spinning around its center at $1 1 Hz$ ?