MCQ
When a satellite moves around the earth in a certain orbit, the quantity which remains constant is :
- Aangular velocity
- Bkinetic energy
- ✓aerial velocity
- Dpotential energy
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$\left(\mathrm{m}_{\mathrm{e}}=9 \times 10^{-31}\;\mathrm{kg}\right)$




$(A)$ the electrostatic field is zero
$(B)$ the electrostatic potential is constant
$(C)$ the electrostatic field is constant in magnitude
$(D)$ the electrostatic field has same direction