# kent

Most popular questions and responses by kent
1. ## Physics

When a sandbag is dropped from a balloon hovering 1.3 m above the ground, it hist the ground at 5.0 ms⁻¹. On another occasion, the sandbag is released from the balloon which is rising at 7.0 ms⁻¹ when 1.3 m above the ground. There is also a

2. ## pHysics !!

A 20-g bullet is fired horizontally into a 980 g block of wood suspended by a long cord. The bullet sticks in the block and causes the block to swing 15 cm above its initial level. a) What is the momentum of the bullet before it hit the block? b) Determine

3. ## Math

What type of transformation is used when moving up an escalator?

4. ## LIFE SCIENCE

WHY IS A SPOROPHYTE CALLED A SEMI-PARASITE

5. ## Physics

A beaker of mass mb containing oil of mass m1 and density ρ1 rests on a scale. A block of iron of mass m2 and density ρ2 is suspended from a spring scale and completely submerged in the oil. Determine the equilibrium readings of both scales. (Use rho_1

6. ## Math

Two supplementary angles are in ratio 7:11.Find the angle.

7. ## Math

Mass of cylinder 1 = 1.35 mass of cylinder 2. Volume of cylinder 1 = 0.792 volume of cylinder 2. Density of cylinder 1 = 2.10 g/cc. What id density of cylinder 2?

8. ## physics

an arrow is shot vertically upward 2 seconds later it is at an height of 42m (not necessarily the highest point) with what velocity was the arrow shot how long was the arrow in flight altogether

9. ## PHYsics !!

a) What do you understand by Simple Harmonic Motion? b) A simple harmonic motions is characterized by the equation x = (10 cm) sin (0.1t + ) where, x is in cm and t is in seconds Determine the i. amplitude and angular frequency. ii. linear frequency and

10. ## Phiscal science

gravitational, electromagnetic, and nuclear forces. 1. Why are these forces often called fundamental or basic forces? 2. Where are these forces found? 3. How are other forces related to them?

11. ## geometry

Find the precision for 120 meters

12. ## Math

Six less than the product of four and a number is less than 0.5 times the opposite of the number My answer 6-4n< 0.5/n

13. ## algebra

Suppose that the weight (in pounds) of an airplane is a linear function of the total amount of fuel (in gallons) in its tank. When graphed, the function gives a line with a slope of 6.2. With 52 gallons of fuel in its tank, the airplane has a weight of

14. ## math

How much force is needed to accelerate a 50-kg rider and her 250-kg motorcycle at 5 m/s2? This is really a physics question. The equation that you use is Newton's second law, Force = Mass x Acceleration. In this case, the total mass being accelerated is

15. ## Math

Six less than the product of four and a number is less than 0.5 times the opposite of the number My answer 6-4n< 0.5/n

16. ## help physics

A satellite, LangSat, moves in circular orbit around the Earth at a speed of 4.95kms-1. (i) What is the altitude of the satellite (ii) Determine the period of the satellite’s orbit (iii) What is the value of the gravity, g, at the satellite. (iv) If

17. ## Algebra 2

Daniel is playing his favorite video game and noticed that the points he earned every minutes follow a linear pattern. Here is a table showing his total points for the first several minutes of play. Minutes:x. Points: f(x) 0. 1550 1. 1900 2. 2250 3. 2600

18. ## Waste water treatment

In wastewater treatment, what is the required open screen area (m2) for reaching this screen velocity during treatment of the rain weather flow when dimension of the pre-treatment unit for the wastewater treatment plant is receiving a dry weather flow

19. ## physics

a person in a hot air balloon ascending vertically at a constant rate of 12mm/s drops a rock over the side when the balloon is 40m above the ground how long will it take the rock to reach the ground

-2(3r+4)= -5r-8-r Answer I got r=r Question 2 14+8w=4(8+2w) I have 14=48. No solution

21. ## writing

Correct this passage,place all corrections in bold print and parthese. Why are great numbers of students choosing to pursue their college degrees using their home computers. Benjamin Franklin said; A penny saved is a penny earned”. This principle applies

22. ## Social Studies

Explain how the U.S became involved in the politics of Southeast Asia. Explain how this involvement affected the U.S. politicalclimate of the 1950's

23. ## math

How do i factor? a)5a^2b+ab^2 b)9k^2-1 c)2y^2-5y+2 If i can get an idea how to do these and i work the rest i have to do myself, thanks

24. ## SMCT Physics

two force of 38N and 64N respectively act in the trunk pull it across the warehouse.if the angle between the force is 65. find its resultant and specify the angle it makes with the larger force?

25. ## Solid

the altitude of the pyramid is 30cm and its base is enclosed by a rectangle whose dimension are 12cm by 18cm respectively. what is the distance from the vertex of a section parallel to the base whose area is 72cm^2?

26. ## PHYSICS URGENT

While flying at an altitude of 7.25 km, you look out the window at various objects on the ground. If your ability to distinguish two objects is limited only by diffraction, find the smallest separation between two objects on the ground that you can resolve

27. ## Math

triangle abc has sides that are 20 centimeters 38 centimeters and 50 centimeters in length . it is related to triangle cde by a scale factor of 0.5 what are the lengths of the sides of triangle CDE. I need help to figure this out. Thanks

28. ## Math equation

Question1 The difference of a number and 7 is -8 I put n-7=-8 Is that correct? Question 2 Six less than the product of four and a number is -5 I put 6-4n= -5

30. ## Math

Ethan ordered 4 sub sandwiches for a party. Each 1/2 sandwich is one serving. Does he have enough to serve 7 friends? How much is leftover or how much more is needed? Explain.

31. ## math

find two numbers the exact number is between. my daughter is estimating products.

32. ## physics !!

A student on a stool rotates freely at 180 rounds per minute. The student holds a 1.00 kg mass in each outstretched arm, 0.8 m from the axis of rotation. The combined moment of inertia of the student and the stool is 6.00 kgm2 which remains constant. How

33. ## Lone Star

8.16 x 1024 atoms of neon gas = how much in volume liters

34. ## Math

(4g)^ -3 Evaluate

35. ## comparative politics

Why do some types of institutional arrangements favor political stability while others increase the propensity of conflict?

36. ## Math

-1/4x+6=2/3x+28 X=22 that is my answer I got

37. ## Math

Ethan ordered 4 sub sandwiches for a party. Each 1/2 sandwich is one serving. Does he have enough to serve 7 friends? How much is leftover or how much more is needed? Explain.

38. ## math

I have four digits. I am greater than 11 and less than 12. The sum of the four digits is 13. The digit in the hundredths place is 6. What is the number?

39. ## Physics

What electromagnetic waves are dangerous for humans and why? I have microwave, xrays....can you help name a few

40. ## Psychology

Janet has been attending Killian High School for three years. At the beginning of her senior year, she enrolled in Ms. Brosham's English class. She heard from her two older siblings that Ms. Brosham was a hard-nosed, crusty teacher who did not tolerate

41. ## chemistry

what are the examples of suspension?

1. ## math

I got the answer as 6.3 and I didn't look at Abdul

posted on January 2, 2018
2. ## Algebra 2

Thanks Damon.

posted on September 13, 2017
3. ## waste water treatment

In wastewater treatment, what is the required open screen area (m2) for reaching this screen velocity during treatment of the rain weather flow when dimension of the pre-treatment unit for the wastewater treatment plant is receiving a dry weather flow

posted on May 30, 2016
4. ## math

posted on April 7, 2016
5. ## Algebra

Just a fun fact: the first equation is a circle with radius of 5 (square root of 25). I'll use substitution to answer this. Let's start with defining x: x=10-2*y Insert into the first equation: (10-2*y)^2+y^2=25 Expand the equation: 100-20y-20y+4y^2+y^2=25

posted on April 6, 2016
6. ## Math

1/64g^3

posted on January 13, 2016
7. ## thermodynamics

Summation of Q = 0 Qsilver + Qice = 0 Qsilver = (mass of silver)(Csilver)(final temp - initial temp) Use Latent heat because ice transformed phase to water Qice = (mass of ice)(heat fusion of water) mass of silver * Csilver * (0-75) + mass of ice * heat

posted on December 4, 2015
8. ## Math

Thanks for helping me and walking through the problem with me. I think my answer is correct.

posted on May 25, 2015
9. ## Math

0.5 times 38= 19 0.5 times 50= 25

posted on May 25, 2015
10. ## Math

I multiply .5 by 3. Very sorry, but this is hard.

posted on May 25, 2015
11. ## Math

posted on May 25, 2015
12. ## Math

I think it is translation.

posted on May 24, 2015
13. ## Physics

no its not

posted on April 7, 2015
14. ## Math

Thanks

posted on February 4, 2015

Thanks a lit

posted on January 19, 2015
16. ## Math equation

Thanks a lot

posted on January 14, 2015
17. ## Math equation

For the second equation N= 23/4?

posted on January 14, 2015
18. ## Math equation

Thanks

posted on January 14, 2015
19. ## Math

Thanks

posted on January 14, 2015
20. ## geomtry

cd

posted on August 3, 2014
21. ## physics !!

how u calculate i calculate get 0.693m . can u explain to me ??how u did this ~ why the 3Hz /4Hz?

posted on August 31, 2013
22. ## physics

46600

posted on July 4, 2012
23. ## Social Studies

I thank you for response. I do have some key points w/the information that I have. Just need to figure out the timeline from 1940's to 1950's. The reading that I have has the time line out of order. I just needed to know how to begin...Thanks

posted on July 12, 2010
24. ## Social Studies

I need to do a power point on both questions that was previous posted. I don't know how to strat it off. can I start by saying how important it is to know history...Imma little lost

posted on July 12, 2010