Physics Physics Practice Problems Solutions Library

Intro, Units & Conversions Solutions Library

Access 16 Intro, Units & Conversions video and text solutions to help you complete your homework. Need to revisit the concept? Watch our Intro, Units & Conversions learn videos.

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16 solutions

Intro, Units & Conversions

Q. Simplify the following

Solved • May 31, 2017

Intro, Units & Conversions

Q. For the curve in the following figure, find x as a function of t.

Solved • May 31, 2017

Intro, Units & Conversions

Q. If 2 cos2 θ - 4 cos θ + 2sin2 θ = 0, find θ in degress (0 < θ < 90°).    

Solved • May 31, 2017

Intro, Units & Conversions

Q. If 2y = 10 +15x is the equation of the straight line. Find the intercept on y-axis.

Solved • May 31, 2017

Intro, Units & Conversions

Q. Find the numebr of radians in 120° 

Solved • May 31, 2017

Intro, Units & Conversions

Q. If f(x) = x2 and g(x) = sin (x), what is g(f(x))? 

Solved • May 31, 2017

Intro, Units & Conversions

Q. x = -3y - 1 and y = 3y - 9 are equations of straight lines. Find the coordinates of the point where these lines intersect.

Solved • May 31, 2017

Intro, Units & Conversions

Q. In the figures angle, ABO and ODC are right angels. What is the relation between angle OAB and OCD?

Solved • May 31, 2017

Intro, Units & Conversions

Q. The lengths of the sides of a triangle are 6, 8 and 10 meters. What is the lenght of the longest side of a similar triangle whose shortest side is ...

Solved • May 31, 2017

Intro, Units & Conversions

Q. The magnitude of the gravitational force between two planets is given by F = G(m 1m2 / r2), where m1 and m2 are the masses of the two planets, r is...

Solved • May 29, 2017

Intro, Units & Conversions

Q. Suppose the volume V of some object happens to depend on time t according to the equation V(t) = At3 + B/t2, where A and B are some constants. Let ...

Solved • May 24, 2017

Intro, Units & Conversions

Q. When an object falls through air, there is a drag force (with dimension M· L/T 2) that depends on the product of the surface area of the object and...

Solved • May 24, 2017

Intro, Units & Conversions

Q. Albert defines his own unit of length, the Albert, to be the distance Albert can throw a small rock. One Albert is 52 meters. If an object is trave...

Solved • Jan 18, 2017

Intro, Units & Conversions

Q. 237 m (meter) is the same as A) 237000 km B) 2370 km C) 23.7 km D) 237 km E) 0.237 km

Solved • Jan 13, 2017

Intro, Units & Conversions

Q. There are 1609 meters in one mile and 3600 seconds in one hour. If you drive your car at 75 miles per hour, what is your speed in kilometers per ho...

Solved • Jan 13, 2017

Intro, Units & Conversions

Q. If you are driving at 50 mph, what is your speed in m/s?

Solved • Jan 6, 2017