Answered: When a projectile is launched with a…

When a projectile is launched with a speed vo, the maximum height it gets is h. What will its maximum height be if we double its launch speed? vo X O 2h 0 √2h 4h O 8h

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

See similar textbooks

Similar questions

A ball is thrown so that the motion is defined by the equations x= 5t and y- 2+ 6 - 4.9r, where x and y are expressed in meters and t is expressed in seconds. Determine (a) the velocity at -I s, (b) the horizontal distance the ball travels before hitting the ground. Match each item to a choice Magnitude of V, Horizontal distance before it hits the ground: Choices E 749 m = 9.47 m # 6.28 m/s # 2.86 m/s 4.97 m # 8.62 m/s ::
A 4He nucleus (atomic weight 4)moving with speed v breaks up into a neutron (atomic weight 1) anda 3He nucleus. The neutron moves off at right angles to theoriginal 4He as shown. If the neutron speed is 3v, the final speed of the 3He nucleus is (a) v. (b) √(7/3)v. (c)4v/√3. (d) √(13/3)v. (e) 5v/3.
2. Calculate the maximum horizontal range if a cricket player can throw a ball at 70.0 m/s.
Q#4: Ball A is thrown straight up. Which of the following statements about the ball are true at the highest point in its path? h The velocity is zero, but Neither the velocity nor The velocity is not zero, the acceleration are The velocity and None of the other acceleration are both the acceleration is not but the acceleration is choices zero. zero. zero. zero.
The tank is to be placed on a hill that is 1 km high above the ground. The enemy’s base is located at a horizontal distance of 10 km away and it is in a valley 0.5 km below the ground. Air resistance is neglected. Gravitational acceleration is constant and equal to 9.8?/?2 downwards. If the bomb is to be fired perfectly horizontally, what should the launching speed of the bomb be in order to hit the target? What is the duration it would take the bomb to hit the target? Find x(t) and y(t). Consider the initial location of the tank to be (0, 1 km)? Draw the trajectory of the bomb (x and y coordinates). Indicate clearly the value of x (horizontal displacement) when the bomb reaches the ground level. 5. Draw the (?), ??(?), and ??(?) vertical above each other. Indicate key values on the graphs such as the start, the end, the maximum, the minimum and the x and y intercepts. PART 4 and 5 PLEASE.
A police car is traveling at a velocity of 20.0 m/s due north, when a car zooms by at a constant velocity of 47.0 m/s due north. After a reaction time 0.800 s the policeman begins to pursue the speeder with an acceleration of 3.00 m/s^2. Including the reaction time, how long does it take for the police car to catch up with the speeder? Number i Units Vos A VOS North AVP AVOP AVOP Police car catches up with speeder ↑ ap Police car begins to accelerate - Speeder passes police car
Q2 A ball is thrown with a velocity of 30 m/sec at an angle of 30° above the horizontal. a. How long does it take to reach its highest height? b. How high is this? c. What is the total time the ball is in the air? d. How far in the horizontal direction has it gone?
A basketball leaves a player's hands at a height of 2.20 m above the floor. The basket is 3.05 m above the floor. The player likes to shoot the ball at a 38.0 angle. If the shot is made from a horizontal distance of 6.90 m and must be accurate to +/- 0.23 m ( horizontally), what is the range of initial speeds allowed to make the basket? 0
Two airplanes are performing at an air show. Plane B enters the circular path (r =105 meters) at point O with a velocity of (vB)o = 48 m, which is increasing at a rate of 0.007s2 m. where "s" is the arc length measured from point O in meters. Plane A is travelling along a straight inclined path (0= 38°) and has a constant velocity of va = 132 m. Determine the magnitude of the velocity vector of plane B (in m) when it has travelled 30° around the circular path. A 30 y В -
A concon is fired to a hill. The beginning of the hill is 200 meters away from the cannon and it is tilted by 25 degree from horizontal. The bullet's initial speed is 60.0 m/s. where does the bullet hits at the hill? * 5 60.0 m/s d =? 60° 25° 200 m
You are driving when suddenly you saw a cat crossing across the street. You applied the breaks of your car at 8 fps^2 to slow it down until it stops. After456 ft, your carr has come to a full stop. Determine: a. how fast your car was travelling immediately before the breaks were applied b. the time required for the car to stop