Topic
Q:
15. The driver of a minibus which is moving at \( 80 \mathrm{~km} / \mathrm{h} \) notices a road block a short distance
ahead. He applies brakes immediately so that the minibus moves with a constant
deceleration for 5 seconds before coming to rest at the road block. Find the average velocity
of the minibus during the 5 seconds
Q:
alculate the weight component perpendicylar to the incline.
Q:
A structure with a weight of 3000 N is pulled up an incline which makes an
angle of \( 30^{\circ} \) with the horizontal. The coefficient of friction of 0,6 is operational
between the weight and the incline.
6.1.1 Calculate the weight component parallel the incline.
6.1.2 Calculate the weight component perpendicular to the incline.
Q:
A structure with a weight of 3000 N is pulled up an incline which makes an
angle of \( 30^{\circ} \) with the horizontal. The coefficient of friction of 0,6 is operational
between the weight and the incline.
Q:
Name TWO disadvantages of friction.
Q:
Mass of an object.
Q:
Angle of friction.
Q:
The fundamental unit representing newtons \( (\mathrm{N}) \)
Q:
1. Какое количество теплоты необходимодля плавления
8 кг меди, взятой при температуре плавления? Начертите
график зависимости температуры меди от времени.
Q:
reicios propuestos de MRU
Calcula la velocidad de un automóvil que recorre una distancia de 120 km en
tiempo de 1.5 h .
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