A 1 kg model rocket is launched at a 30 degree angle from the floor. The small rocket burns for 5.00 s and has a steady thrust of 20.0 N. What maximum altitude does the rocket reach and range of the...

Most Active
Answered
Newest
Most Votes

A 1 kg model rocket is launched at a 30 degree angle from the floor. The small rocket burns for 5.00 s and has a steady thrust of 20.0 N. What maximum altitude does the rocket reach and range of the...

Please help me to solve this.

A collection of nickels, dimes, and quarters consist of 7 coins with a total of $1.05. If the number of dimes is equal to the number of nickels, find the number of each type of coins. I am still having...

a)Find the other five trigonometric ratios if sec x= 2 1/2 and 0<x<pi/2. b) Find the other five trigonometric ratios if tan B= 1/2 and pi<B<3pi/2 c)...

e.g. Calcium - [Ar] 4S^2 what does the square bracket around AR mean? Thanks for you help!

A cube of ice is melting at a uniform rate. The initial volume of the cube is 20 cm^3, and the volume after five minutes is 15 cm^3. Find the rate at which the edge of the cube is decreasing after...

the book is about 375 pages.

Ok using discount card at pharmacy. I have 30 count. Retail totals $335.95 best i can figure. But after what ever % is deducted im left with $247.96. With this 30 count ive had to buy anywhere from...

One day, a person went to a horse racing area. Instead of counting the number of humans an horses, he counted 74 heads and 196 legs. How many humans and horses were there?

A rectangular piece of land is 55 yards wide long and 48 yards wide. To the nearest yard, what is the length of a diagonal path across the land?

Please help

par for 15 holes is 63, her score after 15 holes is -3. If par for 15 holes is 63 what is her score?

Par for 15 holes is 63, her score after 15 holes is -3, what is her score after 15 holes if par is 63 in 15 holes?

If a certain start is 1.6 x 10 to the sixth light years away from Earth, how many light years away from Earth is a star that is twice as distant?

Can you please show the steps on how to factor the polynomial/ trinomial x^2 - 9x

I need help with this problem in 461 math. 4-16x=

How much heat energy is required to completely change 25 grams of ice at 0 degree Celsius to water and raise the temperature to body temperature (37 degree Celsius)?

How much more does she need to save?

A bag contains cards labeled with numbers. There are three 5s, one 4, two 3s and two 2s. One card is randomly selected, noted, then replaced. Then another card is selected. What is the probability...

I'm not sure how to set up this equation. It's an extra credit assignment. Or even how to interpret it. At first I thought the interest rate needed to be maximized to attract the most deposits, but...

a town planner models the population of a town using a linear function f(t),where t represents the number of years after 2005.the table shows the population of the town at different years .