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3 years ago

What forces act on a falling leaf?

Physics

2 answers:

IrinaVladis [17]3 years ago

6 0

gravit and air when it falls think of a feather and how it sways down to the ground

Tatiana [17]3 years ago

4 0

The forces acting on a falling leaf are gravity and air resistance.

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Assume that the loop is initially positioned at θ=30∘θ=30∘ and the current flowing into the loop is 0.500 AA . If the magnitude

labwork [276]

Answer: $\tau=1.03\times 10^{-4}\ N-m$

Torque,

Explanation:

Given that,

The loop is positioned at an angle of 30 degrees.

Current in the loop, I = 0.5 A

The magnitude of the magnetic field is 0.300 T, B = 0.3 T

We need to find the net torque about the vertical axis of the current loop due to the interaction of the current with the magnetic field. We know that the torque is given by :

$\tau=NIAB\ \sin\theta$

Let us assume that, $A=0.0008\ m^2$

$\theta$ is the angle between normal and the magnetic field, $\theta=90^{\circ}-30^{\circ}=60^{\circ}$

Torque is given by :

$\tau=1\times 0.5\ A\times 0.0008\ m^2\times 0.3\ T\ \sin(60)\\\\\tau=1.03\times 10^{-4}\ N-m$

So, the net torque about the vertical axis is $1.03\times 10^{-4}\ N-m$ . Hence, this is the required solution.

4 0

3 years ago

4-7 Please! This is about scientific experiments.

ladessa [460]

Number 4 is c , number 5 is a , number 6 is d and 7 is a

8 0

3 years ago

2) What must be connected for an electrical current to flow in a simple current?

hjlf

2) What must be connected for an electrical current to flow in a simple current?

d.moving magnets,conductors, load to do work

here moving magnets will work as generator and conductors is used as connectors.

5)What is the purpose of a load in a circuit?

c.provide resistance to keep the voltage strong

Load will provide the resistance to the circuit and help to build the voltage across it

6) What cause an electric current from a generator

d.Magnets and conducting wires move near each other

here when magnets move near wires then it will induce the electric current and behaves like generators

7) What do all generators have in common

b.they transform mechanical into electrical energy

They have magnets and rotating coils which will convert magnetic energy to electrical energy

8) How can we measure electrical current

b.the pressure force is voltage;the # of electrons moving is amperes

this voltage and number of electrons will help to calculate current

6 0

3 years ago

Which part is not necessary to complete a circuit

Levart [38]

A SWITCH I THINK??..

6 0

4 years ago

Read 2 more answers

In designing buildings to be erected in an area prone to earthquakes, what are the things that you need to consider?

il63 [147K]

Answer:

In an earthquake prone area, the things that are needed to be considered for the buildings to stand constant and no cause of damages are as follows-

The foundation of the building must be made strong, using large amount of concretes so that it can hold the entire load of the building.

The pillars of the buildings are also should be firmed, rigid, strong and thick.

The buildings are needed to be construct in such a way that during any seismic event, the forces can be redistributed easily through the body of the building without causing any damage.

The buildings must be overall comprised of holding high strength and stiffness.

6 0

3 years ago