Civil and Environmental Engineering Answers

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Civil and Environmental Engineering

Site layout planning is not really required, the contractor can utilise any available space provided, as long as it within the official handed over site

True or

False

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Question #228111

Civil and Environmental Engineering

The work break down structure WBS is used to communicate works to be carried out by the contracting stage.

True orFalse

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Question #226703

Civil and Environmental Engineering

A ball is released from a window that is 10 meters above the ground. When the ball leaves your hand, it is moving 8m/s at an angle 300 below the horizontal. Ignoring the effect of air resistance, how far horizontally from the window will the ball hit the ground?

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Question #226702

Civil and Environmental Engineering

In a court with a ceiling height of 30ft, a player throws a ball towards a wall that is 80ft away. If the ball was released from height of 5ft from the floor and has initial velocity of 55 ft/s, what is the highest point at which the ball could hit the wall?

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Question #226701

Civil and Environmental Engineering

A baseball player hits a ball such that as it leaves the bat, it has speed of 40 meters per second and has an angle of 440. What is the time that the ball reaches the highest point of its flight?

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Question #226700

Civil and Environmental Engineering

An object is released from height of 72 feet and is given an initial horizontal velocity of 22 ft/s. When the object strikes the ground, how far has it travelled in the horizontal direction?

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Question #226699

Civil and Environmental Engineering

An artillery pointed upward at an angle of 300 with respect to the horizontal with a muzzle velocity of 1500 ft/s. Ignoring the effect of air resistance, to what height will the projectile rise and what will be its range?

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Question #226697

Civil and Environmental Engineering

A gun has fired at a moving target. The bullet has a muzzle velocity of 1200 ft/s. The gun and the target are both on level ground, with target moving 60 mph away from the gun have a distance of 30,000 ft from the gun the moment the bullet was fired. What is the angle of the projectile needed to hit the target?

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Question #226696

Civil and Environmental Engineering

A car has an increasing speed at rate of 1.5m/s2 as it rounds a curve. What is the radius of curvature at a point when the speed of the car is 60kph and the magnitude of the total acceleration is 4m/s2?

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Question #226694

Civil and Environmental Engineering

A ball is projected at such an angle that the horizontal range is three times the maximum height. What is the angle of projection?

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