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A woman flies her kite at a constant height of 250 feet. The wind carries the...
1. A beach ball with a mass of 500 g is dropped from a height of...
1. A beach ball with a mass of 500 g is dropped from a height of 5 m. The wind is blowing and exerts a steady 0.8 N force horizontally on the ball. ?-? 0.8U wind force 5 m time? ? distance? ? Suppose the ball is at rest when it is dropped. (a) How much time goes by before the ball hits the ground? (b) Where does the ball hit the ground? Give the distance measured horizontally from where...
Question 4 Essay Worth 10 points) (05 03 MC) Sarah walks 20 feet away from her...
Question 4 Essay Worth 10 points) (05 03 MC) Sarah walks 20 feet away from her house and places a mirror on the ground. She backs 5 feet away from the mirror so that she can see the tip of the roof Sarah's eyes are 4 feet above the ground Sarah and the house are both perpendicular to the ground. The angles between the top of the house, the mirror, and the ground and between Sarah's eyes, the mirror, and...
Please complete and show steps clearly and show work and circle answer. please a...
please complete and show steps clearly and show work and circle
answer.
please answer every picture! will thumbs up, and write kind
comment/review as soon as it is posted!!!! please and thank
you
3. A parachutist is descending over level ground toward her landing point at Parachutist a constant descent rate of 4 feet per second. At the instant at which her altitude is 1000 feet, she is 2500 feet from her landing point, and her ground speed is 15...
Q4: A farmer has 375 feet of fence and wants to build a right triangle enclosure...
Q4: A farmer has 375 feet of fence and wants to build a right triangle enclosure along a straight wall. If the side along the wall need no fence, find the dimensions that make the area of the enclosure as large as possible. (5 point) Q5: points A and B move along the x-axis and y-axis, respectively, in such a way that the distance r (meters) along the perpendicular from the origin to the line AB remains constant. How fast...
A rescue plane flies horizontally at a constant speed searching for a disabled boat. When the...
A rescue plane flies horizontally at a constant speed searching for a disabled boat. When the plane is directly above the boat, the boat's crew blows a loud horn. By the time the plane's sound detector perceives the horn's sound, the plane has traveled a distance equal to two-thirds its altitude above the ocean. (a) If it takes the sound 2.10 s to reach the plane, determine the speed of the plane. Take the speed of sound to be 343...
2. A woman lifts a single shopping bag weighing 100 N from the ground to a height of (a) 15 cm. She then walks 2.0 km on level ground carrying the bag at a constant height. Determine how much wor...
2. A woman lifts a single shopping bag weighing 100 N from the ground to a height of (a) 15 cm. She then walks 2.0 km on level ground carrying the bag at a constant height. Determine how much work has she done on the bag, in units of Calories where 1 Calorie 4.2 kJ. 13 marks] With reference to an equation for Conservation of Momentum, explain with the aid of a sketch why a heavier car is widely perceived...
Instructions. For each question, show all work leading to an answer and simplify as much as...
Instructions. For each question, show all work leading to an answer and simplify as much as reasonably possible. 1. A 3.00-kg block starts from rest at the top of a ramp having an inclination of 30.0°. The block slides a distance of 2.00 m down the ramp in 1.50 s. Neglect air resistance. (a) Find the magnitude of the block's constant acceleration. (b) Find the coefficient of kinetic frictioti between block and ramp. 2. A small, flat cushion of mass...
1. If a ball is thrown vertically upward with a certain velocity, its height (in feet)...
1. If a ball is thrown vertically upward with a certain velocity, its height (in feet) after t seconds is s(t) = 28t - 4tº. Answer the following questions with correct units. (a) Find the velocity and acceleration of the ball after 2 sec? (b) What is the maximum height reached by the ball? (c) Determine the velocity of the ball when it hits the ground. 4 6 6 6 6 2. Find the derivatives of the following functions. You...
I am stuck on these questions below, thanks in advance for your help! An object is...
I am stuck on these questions below, thanks in advance for your
help!
An object is moving with constant non-zero velocity in the +x axis. The position versus time graph of this object is a parabolic curve. a hyperbolic curve. a vertical straight line. a straight line making an angle with the time axis. a horizontal straight line. Car A is traveling at 22.0 m/s and car B at 29.0 m/s. Car A is 300 m behind car B when...
1. An airplane if flying horizontally at a constant height of 6 km above a fixed observation poin...
1. An airplane if flying horizontally at a constant height of 6 km above a fixed observation point. At a certain moment the angle of elevation θ is 30° and decreasing and the speed of the plane is 4 km/h. (a) How fast is 0 decreasing at this moment? (b) How fast is the distance between the plane and the observation point is changing at this moment? 2. Trajectory of a particle is described by parametrical equations as t,y P,...
1. A beach ball with a mass of 500 g is dropped from a height of 5 m. The wind is blowing and exerts a steady 0.8 N force horizontally on the ball. ?-? 0.8U wind force 5 m time? ? distance? ? Suppose the ball is at rest when it is dropped. (a) How much time goes by before the ball hits the ground? (b) Where does the ball hit the ground? Give the distance measured horizontally from where...
Question 4 Essay Worth 10 points) (05 03 MC) Sarah walks 20 feet away from her house and places a mirror on the ground. She backs 5 feet away from the mirror so that she can see the tip of the roof Sarah's eyes are 4 feet above the ground Sarah and the house are both perpendicular to the ground. The angles between the top of the house, the mirror, and the ground and between Sarah's eyes, the mirror, and...
please complete and show steps clearly and show work and circle
answer.
please answer every picture! will thumbs up, and write kind
comment/review as soon as it is posted!!!! please and thank
you
3. A parachutist is descending over level ground toward her landing point at Parachutist a constant descent rate of 4 feet per second. At the instant at which her altitude is 1000 feet, she is 2500 feet from her landing point, and her ground speed is 15...
Q4: A farmer has 375 feet of fence and wants to build a right triangle enclosure along a straight wall. If the side along the wall need no fence, find the dimensions that make the area of the enclosure as large as possible. (5 point) Q5: points A and B move along the x-axis and y-axis, respectively, in such a way that the distance r (meters) along the perpendicular from the origin to the line AB remains constant. How fast...
A rescue plane flies horizontally at a constant speed searching for a disabled boat. When the plane is directly above the boat, the boat's crew blows a loud horn. By the time the plane's sound detector perceives the horn's sound, the plane has traveled a distance equal to two-thirds its altitude above the ocean. (a) If it takes the sound 2.10 s to reach the plane, determine the speed of the plane. Take the speed of sound to be 343...
2. A woman lifts a single shopping bag weighing 100 N from the ground to a height of (a) 15 cm. She then walks 2.0 km on level ground carrying the bag at a constant height. Determine how much work has she done on the bag, in units of Calories where 1 Calorie 4.2 kJ. 13 marks] With reference to an equation for Conservation of Momentum, explain with the aid of a sketch why a heavier car is widely perceived...
Instructions. For each question, show all work leading to an answer and simplify as much as reasonably possible. 1. A 3.00-kg block starts from rest at the top of a ramp having an inclination of 30.0°. The block slides a distance of 2.00 m down the ramp in 1.50 s. Neglect air resistance. (a) Find the magnitude of the block's constant acceleration. (b) Find the coefficient of kinetic frictioti between block and ramp. 2. A small, flat cushion of mass...
1. If a ball is thrown vertically upward with a certain velocity, its height (in feet) after t seconds is s(t) = 28t - 4tº. Answer the following questions with correct units. (a) Find the velocity and acceleration of the ball after 2 sec? (b) What is the maximum height reached by the ball? (c) Determine the velocity of the ball when it hits the ground. 4 6 6 6 6 2. Find the derivatives of the following functions. You...
I am stuck on these questions below, thanks in advance for your
help!
An object is moving with constant non-zero velocity in the +x axis. The position versus time graph of this object is a parabolic curve. a hyperbolic curve. a vertical straight line. a straight line making an angle with the time axis. a horizontal straight line. Car A is traveling at 22.0 m/s and car B at 29.0 m/s. Car A is 300 m behind car B when...
1. An airplane if flying horizontally at a constant height of 6 km above a fixed observation point. At a certain moment the angle of elevation θ is 30° and decreasing and the speed of the plane is 4 km/h. (a) How fast is 0 decreasing at this moment? (b) How fast is the distance between the plane and the observation point is changing at this moment? 2. Trajectory of a particle is described by parametrical equations as t,y P,...
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