09/07/19

The measure of one angle is 3 degrees more than 1/2 the measure of its supplement

The measure of one angle is 3 degrees more than 1/2 the measure of its supplement

09/05/19

Height and Velocity

If an archer shoots an arrow straight upward with an initial velocity of 128128 ​ft/sec from a height of 55 ​ft, then its height above the ground in feet at time t in seconds is given by the... more

09/04/19

Stunt rider question

A stunt rider is propelled upward from his motorbike by a spring loaded ejector seat. The rider was travelling horizontally at 60km h^-1 when the ejector seat was triggered, and as they leave the... more

Slope intercept form

What is The equation in slope intercept form of the line that is parallel to Y= -9/5x - 5/2 and contains (-6,-2)

09/01/19

Jogger question

A jogger starting their morning run accelerates from standstill to their steady jogging pace of 8 km h^-1. They ready a speed of 8 km h^-1, 5s after starting. How long does it take the jogger to... more

09/01/19

Physics word problem

During a particular car crash, it takes just 0.18s for the car to come to a complete stop from 50km h^-1 . A) at what rate is the car accelerating during the crash?B) how many times larger than... more

08/31/19

Circular motion

A small bead is fixed on a circular loop of radius R as shown in the figure below. The loop is rotating about YY axis with constant angular acceleration ‘α’. The loop starts from rest, then, the... more

08/30/19

Falling objects Help

A coin is tossed upward from an initial height of 7 m above the ground, with an initial speed of 10 m/s m/s. The magnitude of the gravitational acceleration g = 9.8 m/s2What is its speed in m/s... more

08/30/19

Physics: Area : With only 1 known side

Given the following triangle, phi is 32 degrees and the length of side c is 36. What is the area of the triangle . (A=1/2bh)

08/30/19

how can you find avarage speed without time or distance

1.You want to a trip in a time of T hours with an average speed of 60.0 km/h. After having traveled T/2 hours, you noticed that your average speed so far was 45.0 km/h. What should your average... more

08/30/19

The vertex of <5

Rational Functions

The graph of the rational function (x-1)(x-1)/(x-1)(x+1) has a hole in the graph at (1, 0). My question: is 1 still considered the x-intercept? Our textbook says you should simplify the... more

08/28/19

Finding the surface area of the following cans to the nearest square container

How can I find the surface area of the following cans to the nearest square centimeter?a) Coffee can (r) radius= 7.6 cm, height = 16.3 cmb) Soup can (r) radius= 3.3 cm, height = 10 cmPLEASE HELP!

08/28/19

Geometry Find measure

If cde is a straight angle DE bisects angle GDH, GDE=(8x-1), EDH=(6x+15) and angle CDF=43 find each measure x, GDH, FDH, FDE

08/27/19

Issue with an Algebra problem

The the product of 3 and the sum of 4 and a number

If Jim could drive a Jetson's flying car at a constant speed of 240 km/hr across oceans and space, approximately how long would he take to drive to a nearby star that is 9.2 light-years away?

If Jim could drive a Jetson's flying car at a constant speed of 240 km/hr across oceans and space, approximately how long (in millions of years, in 106 years) would he take to drive to a nearby... more

08/25/19

I need help with translating english into math

The difference between 7 times y and one

08/22/19

Observer's location

Suppose that a clock B is located at a distance L from an observer. Describe how this clock can be synchronized with clock A, which is at the observer's location.

What is the motivation of using the Enhanced Fujita Scale in place of the Fujita Scale?

In 2007, the US started using an Enhanced Fujita Scale in place of the Fujita Scale. From a "civilian's" perspective, the Fujita Scale seemed to measure wind whereas the Enhanced Fujita Scale... more

07/30/19

Why alpha particles inestead of hydrogen or duetereum?

I know atoms undergoing alpha decay emit alpha particles, but I was wondering why specifically helium nuclei? If these atoms wanted to emit the smallest unit of matter (I'm talking about hadrons... more

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