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2 years ago

5

Who actually asked Abraham to sacrifice his son?

2 answers:

pochemuha2 years ago

7 0

I think god did ??? I searched it up okay

allochka39001 [22]2 years ago

7 0

God asked him to scarface his sons life

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An artist working on a piece of metal in his forging studio plunges the hot metal into oil in order to harden it. The metal piec

lutik1710 [3]

Answer:

The temperature of the metal is $T_m = 376.8 ^o C$

Explanation:

From the question we are told that

The mass of the metal is $M = 60 \ kg$

The specific heat of the metal is $c_p = 0.1027 kcal/(kg \cdot ^oC)$

The mass of the oil is $M_o = 810 \ kg$

The temperature of the oil is $T_o = 35^oC$

The specific heat of oil is $c_o = 0.7167 kcal/(kg \cdot ^oC )$

The equilibrium temperature is $T_e = 39 ^oC$

According to the law of energy conservation

Heat lost by metal = heat gained by the oil

So

The quantity of heat lost by the metal is mathematically represented as

$Q = - Mc_p \Delta T$

=> $Q = -Mc_p (T_m - T_c)$

Where $T_ m$ the temperature of metal before immersion

The negative sign show heat lost

The quantity of gained t by the metal is mathematically represented as

$Q = M_o c_o \Delta T$

=> $Q = M_o c_o (T_c - T_o)$

So

$Mc_p (T_m - T_c) = M_o c_o (T_c - T_o)$

substituting values

$- 60 * 0.1027 (T_m - 39) = 810 * 0.7167 * (39 - 35)$

=> $T_m = 376.8 ^o C$

6 0

3 years ago

Manuel is holding a 5 kg box. How much force us the box exerting on him? in what direction

Free_Kalibri [48]

It will be 49 Newtons of force in the down direction. To find the force in newtons, you multiply the mass (5 kg) by the gravity (which if 9.8).

3 0

3 years ago

find the distance traveled in km when the average speed is 60 km per hour and the time taken is 3 and 1/2 hours

Anna35 [415]

Answer:

210 km

Explanation:

60 x 3 1/2 = 210

3 0

3 years ago

Assume that the blocks are accelerating, and the x components of their accelerations at a certain moment are a1x and a2x. find t

Serga [27]

we know that center of mass is given as

r = (m₁ $r_{1x}$ + m₂ $r_{2x}$ )/(m₁ + m₂)

taking derivative both side relative to "t"

dr/dt = (m₁ d $r_{1x}$ /dt + m₂ d $r_{2x}$ /dt)/(m₁ + m₂)

v = (m₁ $v_{1x}$ + m₂ $v_{2x}$ )/(m₁ + m₂)

taking derivative again relative to "t" both side

dv/dt = (m₁ d $v_{1x}$ /dt + m₂ d $v_{2x}$ /dt)/(m₁ + m₂)

a= (m₁ $a_{1x}$ + m₂ $a_{2x}$ )/(m₁ + m₂)

3 0

3 years ago

Read 2 more answers

If you increase the force acting on an object, what will happen to the object's motion

Mama L [17]

Force is directly proportional to rate of change of velocity so it increasing, velocity (motion of the object) will also increase.

Hope this helps!

6 0

3 years ago