<span>Miller Urey experiment's purpose was to test the chemical origin of life under the conditions supposed to be present on the early Earth.
</span>The scientists Miller and Urey heated a mixture of water<span>, </span>ammonia<span>, </span>methane<span> and </span>hydrogen<span> in a sterile flask until it evaporated water to produce water vapour. </span><span>Electric sparks were passed through the mixture of </span>water vapour and gases, simulating lightning. The experiment was done during one week. After a week, the contents were analysed and Miller and Uray proved that <span>several organic compounds could be formed spontaneously by simulating the conditions of Earth's early atmosphere.</span>
Answer: the second bullet and the first bullet will both have equal amount of impulse m(V - u) = m(0 - u) = -mu
Explanation: impulse is the change of momentum or the products of force and time.
Ft = m(v-u) = impulse.
Both bullets posses equal amount of force, both bullets will experience equal impulse in coming to rest since they posses equal mass and their initial and final velocities are u and V respectively.
V = 0 sinice they both come to rest.
Ft = m(0 - u) = -mu,
The -ve sign indicates it is towards the direction opposite the direction of motion.
The bullet that penetrates the plate will come to rest faster compared to the bullet that penetrates the layer of clothes.
This means the bullet that penetrates the cloth spends a longer time before coming to rest and hence meets a lesser resistant force compared to the bullet that penetrates the block.
Answer:
Average velocity = 30 miles per hour
Explanation:
Given that
Velocity for uphill = 20 miles per hour
Velocity for downhill = 60 miles per hour
We know that
Distance = Velocity x time
Total distance = Average velocity x total time
Lets take distance from home to school is s
Time taken from home to school= s/20 hr
Time taken from school to home= s/60 hr
Total time =s/20+s/60
Total distance = Average velocity x total time
s + s = Average velocity x (s/20+s/60)
So average velocity = 30 miles per hour
Hello!
We can use the following equation for magnetic force on a charged particle:
= Magnetic force (N)
q = Charge of particle (1.6 × 10⁻¹⁹ C)
v = velocity of particle (5.2 × 10⁷ m/s)
B = Magnetic field strength (1.4 T)
This is a cross-product, so the equation can be rewritten to F = qvBsinφ where φ is the angle between the magnetic field and particle velocity vectors.
Since the proton's velocity vector and the magnetic field vector are perpendicular, sin(90) = 1. We can reduce the equation to:
Plug in the known values.
Answer:
bob up and down in the water.
Explanation:
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