73 Answered Questions for the topic Height

12/12/19

#### Design a cylinder can of volume 1000cm^3

Design a cylinder can of volume 1000cm^3 so that it uses the least amount of metal. Show that h=2r, where h is the height of the cylinder and r is its radius.

09/11/19

#### Absolute value equations

Sarah and Jessica are sisters. Sarah’s height is s inches and Jessica’s height is j inches. Their father wants to know how many inches separate the two. Write an equation for this difference in... more

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

04/29/19

#### A 1000 kg space craft is orbiting the moon at a height of 50 km. If it has a total energy of -1.5 x 10^9 J, how fast is it going?

A 1000 kg space craft is orbiting the moon at a height of 50 km. If it has a total energy of -1.5 x 10^9 J, how fast is it going?What equation do I use? I'm so confused.

04/28/19

#### From what height above the Earth should an object be dropped to experience an initial acceleration of 0.92g? (where in this case g= 9.8 m/s^2)

From what height above the Earth should an object be dropped to experience an initial acceleration of 0.92g? (where in this case g= 9.8 m/s^2)Im just so confused, what.

09/29/18

#### After how many seconds will the object be 192 feet high?

an object is thrown straight upward. its height in feet is y, after t seconds is given by the equation y=-16t^2+12t. after how many seconds will the object be 192 high?

09/07/18

#### how high does the ladder reach on the building in feet?

A ladder of height 11 feet leans against a building so that the angle between the ground and the ladder is t∘, where 0<t<90. In terms of t, how high does the ladder reach on the building in... more

08/27/18

#### How do I find the length with the given density, mass, width and a height?

Okay so the problem is:   Platinum has a density of 21.4 grams per cubic centimeter. A bar of platinum has a mass of about 1000 grams. It has a width of 51 millimeters and a height of 9.7... more

08/19/18

#### Surface area of a right prism

Describe how the change affects the surface area of the right prism. 1. Multiplying the base edge by 2 and the height by 1/3.   I don't really know how to start this... more

05/25/18

#### Why does this formula work for finding the surface area of a cylinder?

In math class today, we were discussing how to find the surface area of a cylinder. Then, someone figured out that you could use the formula (radius+height)(diameter). We tested the formula and it... more

05/25/18

#### Why does this formula work for finding the surface area of a cylinder?

In math class today, we were discussing how to find the surface area of a cylinder. Then, someone figured out that you could use the formula (radius+height)(diameter). We tested the formula and it... more

05/15/18

#### Math Help!!!! How do I find the height of a triangle using the pythagorean theorem???

The triangle gives the base and the hypotenuse, how do i find the height using a^2 + b^2 + c^2?????

04/30/18

#### Which equation can be used to find the height of the cylinder if you know its volume and radius?

The following formula can be used to find the volume of a cylinder with radius, r,and height, h.V=πr^2hWhich equation can be used to find the height of the cylinder if you know its volume and... more

04/26/18

#### How do I find the base edge of a pentagonal pyramid given the height and slant height? I just need formulas.

If you need them, the height is 4 and the slant height is 5.

04/04/18

#### STRENGTH OF BEAM ACROSS A RECTANGLE AREA OF A LOG

A wooden beam has a rectangular cross section of height h in. and width w in. (see the accompanying figure). The strength S of the beam is directly proportional to its width and the square of its... more

03/18/18

#### Height problem

ABC is an isosceles triangle BC is 20 AB and AC is 30 Angle A is 120° Angle B is 30° Angle C is 30°   Please find height of this triangle using both and ONLY pythagorus theorum and... more

01/17/18

01/15/18

#### What is peak height of the soccer ball? How long is the ball in the air for?

A soccer ball is kicked straight up with an initial velocity of 15 m/s. What is peak height of the soccer ball? How long is the ball in the air for?

01/13/18

#### After how many seconds is the height 36 feet?

If an object is propelled upward from a height of s feet at an initial velocity of v feet per second, then its height h after t seconds is given by the equation h=−16t^+vt+s, where h is in feet. If... more

01/01/18

#### What is the maximum height the ball reached and when does the ball return to the ground?

The formula h(t)=-16t+48t+160 represents the height of a ball, T seconds after it is launched. What is the maximum height the ball reached and also when does the ball return to the ground?

11/09/17

#### The height of a triangle is 2in less than the length of the base.

The height of a triangle is 2in less than the length of the base. The triangle has an area of 40in2. Find the base and the height of the triangle. (include the correct units.)

06/15/17

#### what would the height of the water be?

if there is a cone with the dimensions of 10 as the height and 12 as the diameter, that is filled with water what would the height of the water be if it was poured into a rectangular prism with the... more
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