Answer: 20 minutes
Explanation:
Given the following :
Average speed of train = 120km/hr
Distance = 40km.
The time take by the train moving at an average speed of 120km/hr to cover a distance of 40km due is ;
Recall:
Speed = distance / time
Therefore,
Time taken = distance covered / speed
Time taken = 40km / 120km/hr
Time taken = 1/ 3 hr
Therefore, 1/3 rd of an hour equals
1/3 × 60 = 20 minutes.
Time taken) 20 minutes
Time taken by tain to cover distance is 20 minutes as:
Distance= 40 km
Speed= 120 km/h
Time= distance/speed
= 40/120
= 1/3 hour
= 20 min
or =0.33 hrs
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Answer: To keep it basic start with temprature and inhibitors such as drugs that slow enzymes
surface area, temperature, concentration, and the presence of catalysts and inhibitors
Explanation:To slow down a reaction, you need to do the opposite. Factors that can affect rates of reactions include surface area, temperature, concentration, and the presence of catalysts and inhibitors. Temperature - Changing the temperature of a chemical reaction also affects the reaction rate.
Answer:
In driving, changes by fractions of a second in reaction time may mean the difference between a collision or the avoidance of one. On the road, distractions, speed, driving experience, and physical and cognitive fitness can seriously affect reaction times.
Explanation:
ig this
Answer:
C) 5000 J
Explanation:
when diver is at some height , he is having some energy in the form of potential energy. when he dives, his potential energy is converted into kinetic energy . so kinetic energy and potential energy are equal.
Kinetic energy of diver = potential energy of diver
= mgh
= 500 x 10
= 5000 J .
the transfer of energy by electromagnetic waves traveling through matter or across space
B.6.25 times heavier than on Earth
C.2.5 times heavier than on Earth
D.6.25 times lighter than on Earth
Answer: The correct answer is option C.
Explanation:
Weight = Mass × Acceleration
Let the mass of the space probe be m
Acceleration due to gravity on the earth = g
Weight of the space probe on earth = W
Acceleration due to gravity on the Jupiter = g' = 2.5g
Weight of the space probe on earth = W'
The weight of the space probe on the Jupiter will be 2.5 times the weight of the space probe on earth.
Hence, the correct answer is option C.
Answer:
2.5 times heavier than on Earth
Explanation:
Answer:
The principle of training that is related to overload and time reversibility is the principle of Specificity.
b. hydrogen
c. gold
d. table salt