A car bomb was
placed along Bays water
road London in year 1990. It has damaged...
A car bomb was
placed along Bays water
road London in year 1990. It has damaged Central
Bank.
The bomb was estimated about 400
kg of
explosive
and was detonated against the main entrance of the building.
Evaluate
the effect of the bomb damaged to the building in
terms
of
structural damage
sub system damage
and also hazard to
the people
Solutions
Expert Solution
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a car is traveling along a straight road when the car runs out
of gas. the car has an acceleration a(t)=1.1m/s^2-.02m/s^3*t and
has a velocity of 30.0m/s at t=0.
a) what is the displacement of the car between t=3.0 s and t=5.0
s?
b) at what time will the car become to rest?
c) what will be the total displacement of the car between t=0
and when it comes to rest?
A car travels along a straight east-west road. A coordinate
system is established on the road, with x increasing to the east.
The car ends up 19 mi west of the intersection with Mulberry
Road.
(A) If its displacement was -21 mi , how far from Mulberry Road
did it start?
a stunt driver's car is moving at 24.2 m/s along a straight
road. The road comes to an abrupt stop 21.2 m before a drop off.
The coefficient of friction of the road is 0.712, and the
coefficient of friction of the dirt between the road and the drop
off is 0.426. What is the minimum distance at which the driver can
behin to apply the brakes and still prevent himselff from going
over the edge?
A car is traveling along a road, and its engine is turning over
with an angular velocity of +230 rad/s. The driver steps on the
accelerator, and in a time of 8.0 s the angular velocity increases
to +270 rad/s. (a) What would have been the
angular displacement of the engine if its angular velocity had
remained constant at the initial value of +230 rad/s during the
entire 8.0-s interval? (b) What would have been
the angular displacement if the...
A tourist is driving a car along a straight road at a constant
speed of 22.5 m/s. Just as she passes a law officer parked along
the side of the road, the officer starts to accelerate 2.50
m/s2 to overtake her. Assume that the officer maintains
this acceleration.
(a) Determine the time it takes the officer to reach the tourist
(in s).
18 s
(b) Find the speed of the officer as he overtakes the tourist
(in m/s).
45 m/s...
A car travels a certain distance along a straight road (in the
+x direction). The distance the car travels as a function of time
is shown in the figure below. When the car changes speed it does so
uniformly. Select the appropriate choice for each statement.
It wont let me post the photo of the graph for some reason, so
here is a link to it
https://d2vlcm61l7u1fs.cloudfront.net/media%2Fa8f%2Fa8f89426-1896-44e8-863a-df989e927825%2FphpeLSO6i.png
The acceleration magnitude at 15 sec is ..... the acceleration
magnitude at 37...
5.1 A car is traveling along a highway at 65 miles per hour. The
road is horizontal (0% slope). If the wind resistance and rolling
resistance at the wheels creates a combined resistive force of 950
N, what is the power (kW) developed at the rear wheels?
5.2 How much power (kW) must the car engine in problem 5.1
develop if the overall mechanical efficiency of the transmission
and drive train is 94%?
5.3 Assume the car engine in problem...
7. A 1100-kg car is moving toward the north along a straight
road at a speed of 20.0 m/s. The driver applies the brakes and the
car comes to rest in a distance of 140 m.
(a) If the road is completely level, what is the constant force
applied to the car to bring it to rest? (Remember to specify the
direction.)
(b) If the road goes down a hill at a 4� angle with respect to
the horizontal, what...
Consult Interactive Solution 2.22 before beginning this problem.
A car is traveling along a straight road at a velocity of +25.0 m/s
when its engine cuts out. For the next 2.25 seconds, the car slows
down, and its average acceleration is a1 . For the next 5.23
seconds, the car slows down further, and its average acceleration
is a2. The velocity of the car at the end of the 7.48-second period
is +16.5 m/s. The ratio of the average acceleration...
Consider driving a car in one direction along a straight road
for 10 minutes. You start from rest. During the first 1 minute, you
speed up with constant acceleration until you reach 60 m/s. During
the next 5 minutes, you maintain constant speed at 60 m/s. During
the final 4 minutes, you have constant negative acceleration (i.e.
deceleration) until you are not moving.
How far in total did you travel during the whole 10
minutes? Express your answer in units...