A unit of area often used in measuring land areas is the, Ask an Expert

Academics

Q. Runner A is initially 5km west of a flagpole and is running with a constant velocity of 7.5 km/h due east. Runner B is initially 3km east of the flagpole and is running with the constant velocity of 5.5km/h due west. How far are the runners from the flagpole while their paths cross?

Q. A unit of area, often used in measuring land areas, is the "hectare", defined as 104m2. An open-pit coal mine consumes 66hectares of land, down to a depth of 23m, each year. What volume of earth, in cubic kilometers, is removed in this time?

View complete question

Physics, Academics

Category:- Physics
Reference No.:- M9292942

Have any Question?

Related Questions in Physics

Question 1rob was supposed to spend his two-week school

Question 1: Rob was supposed to spend his two-week school work experience at his local auto-repair shop. Unfortunately, his time on the job only lasted two days. On day two, Rob was asked to get the 1-liter air tool oil ...

Question an object is placed 30 cm to the left of a

Question: An object is placed 30 cm to the left of a converging lens that has a focal length of 15cm. Describe what the resulting image look like (i.e. image distance, magnification, upright or inverted images, real or v ...

Question a point charge q1 240 icircfrac14c is held

Question: A point charge q1 = +2.40 Î¼C is held stationary at the origin. A second point charge q2 = -4.30 Î¼C moves from point a (x = 0.150 m, y =0) to point b (x = 0.250 m, y = 0.250 m). What is the electric potential ...

Question a sinusoidal electromagnetic wave having a

Question: A sinusoidal electromagnetic wave having a magnetic field of amplitude 1.25 \mu {\rm T} and a wavelength of 432 {\rm nm} is traveling in the + x direction through empty space. Write the equations for the electr ...

Question one type of bb gun uses a spring-driven plunger to

Question: One type of BB gun uses a spring-driven plunger to blow the BB from its barrel. (a) Calculate the force constant of its plunger's spring if you must compress it 0.130 m to drive the 0.0580-kg plunger to a top s ...

Question a pendulum on mars a certain simple pendulum has a

Question: A Pendulum on Mars. A certain simple pendulum has a period on the earth of 1.65 s. What is its period on the surface of Mars, where g = 3.71 m/s 2 ? The response must be typed, single spaced, must be in times n ...

Question a piano tuner stretches a steel piano wire with a

Question: A piano tuner stretches a steel piano wire with a tension of 765 N. The steel wire has a length of 0.500m and a mass of 3.75g . 1. What is the frequency f1 of the string's fundamental mode of vibration? 2. What ...

Question a stationary boat in the ocean is experiencing

Question: A stationary boat in the ocean is experiencing waves from a storm. The waves move at 55 km/h and have a wavelength of 160 m. The boat is at a crest of a wave. How much time elapses until the boat is first at th ...

Runner a is initially 59 km west of a flagpole and is

Runner A is initially 5.9 km west of a flagpole and is running with a constant velocity of 8.3 km/h due east. Runner B is initially 4.8 km east of the flagpole and is running with a constant velocity of 7.6 km/h due west ...

Question a satellite orbiting the moon very near the

Question: A satellite orbiting the moon very near the surface has a period of 110 min, What is free-fall acceleration on the surface of the moon? The response must be typed, single spaced, must be in times new roman font ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Physics Expert